ELECTRICAL SOLUTIONS MARCH/APRIL 2012
FROM THE EDITOR
The recent flooding has caused devastating damage to homes, businesses and infra-
CONTENTS
structure. The NSW Roads Minister Duncan Gay told ABC Radio that he expected NSW flood damage bill to be more than $500m. As the rebuilding and repair work continues, contractors are busy reconnecting homes and businesses. Electrical safety is of extreme importance in these situations. While it is important that contractors
4
Cover Story
6
Working in the wake of floods
10
Products
proper and safe restoration. The lead article in this issue, written by
Lots of new products to spark the interest of the industrial electrical world
18
Surge protection standards
30
How motor control centres help reduce arc flash hazards
35
NMW returns to Sydney
45
Resource centre
46
In my opinion
work promptly to help home and business owners reconnect, they should also work according to correct procedures to ensure
Master Electrician’s CEO Malcolm Richards, provides insights and tips to help contractors ensure safety during repair and restoration. There are two more articles on electrical safety, one on surge protection standards and the other on how motor control centres help reduce arc flash hazards. There are also two case studies on award-winning, energy-saving projects. Norman Disney & Young’s Darling Quarter project is a redevelopment of the 1.5 ha ex-Sega World site located at the southern end of Sydney’s Darling Harbour, between Harbour Street and the Western Distributor freeway, overlooking Tumbalong Park. The company has already won the Commissioning Project of the Year category at the 2012 Chartered Institution of Building Services Engineers (CIBSE) Awards in London for the commissioning management services
Get all the BEST new products of 2011 in one special digital edition. http://www.electricalsolutions.net.au/latest_issues
it delivered on the project. The second case study is about D&M’s energy-efficient lighting and electrical system for a hotel revamp in Dubbo, NSW. The company has bagged the NECA award for best commercial project. As always, I’d love to hear your thoughts and ideas on what you would like to see
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(or not see) in the magazine and topics you’d want us to cover in future. You can email your suggestions to mgandhi@
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westwick-farrow.com.au.
Mansi Gandhi - Editor editorial@electricalsolutions.net.au
on the cover
T
he MARECHAL Electric Group of France
broadly at all manufacturers, the top 1000 EU companies
celebrates its 60th anniversary this year. To
(in terms of R&D spend) invested an average of 2.2% of
mark this milestone event, a new subsidi-
sales in R&D in 2010 (Source: 2011 EU Industrial R&D
ary company, MARECHAL Australia, has
Investment Scoreboard). MARECHAL’s ongoing invest-
been established to better service the
ment in R&D represents a very significant commitment to
needs of customers in Australia and New
product innovation, with the major focus being on safety,
Zealand. For the past 30 years, MARECHAL
reliability and quality.
DECONTACTOR products have been supplied in Australia
Features and benefits
via distributors. Staff at MARECHAL Australia are now solely
MARECHAL DECONTACTOR products feature a quick-
dedicated to MARECHAL Australia’s customers, and services
release button and an integral load-break switch which
available include engineering and assembly of fully customised
allow any authorised employee to quickly and safely con-
products to meet customers’ needs.
nect or disconnect equipment, even
The company’s Australian head of-
under load, without the need to wait
fice is located at 14 Kingsley Close,
for a qualified electrician. Easy to
Rowville, Victoria. The MARECHAL
install, watertight and resistant to
Electric Group is headquartered in
chemicals, these products allow
Saint Maurice, near Paris. Its products
equipment to be safely isolated from
are manufactured at the company’s
the electrical supply in seconds.
R&D and manufacturing complex in
As an alternative to hard-wired
Normandy, France, and sold interna-
equipment, the DECONTACTOR
tionally mainly through subsidiaries
minimises downtime, increases
and associated companies.
productivity and provides greater
Development of MARECHAL
operational flexibility for static and
The first MARECHAL DECONTAC-
mobile equipment. Qualification to
TOR products comprising a plug
international standards confirms
and socket assembly with an in-
the reliable and sustainable perfor-
tegral load-break isolating switch
mance of the company’s products.
were manufactured at Maromme
For static equipment fitted with
in northern France in 1952, with
DECONTACTOR products, this
the first customer being the French
means faster maintenance. For
international airline Air France. Additional manufacturing
mobile equipment, it means less downtime and higher
followed in Germany in 1975 and USA in 1985. Today the
productivity. In addition to automatic isolation from power,
company’s products are used extensively around the world
a quick glance is all that is needed to confirm that the
in a wide variety of applications and the product range has
equipment has been isolated.
grown enormously to meet the needs of customers in many
Applications
different industries. Product groups now include: industrial
The DECONTACTOR products are suitable for even the
power supply and motor protection; signal and control; high
harshest applications. The company’s technology brings
current applications; high temperature applications; self-
high-quality solutions to challenging problems in wide-
ejecting systems for emergency vehicles; ATEX explosive
ranging fields, including mining and quarrying, chemicals
atmosphere products; distribution boxes and other products.
and petrochemicals, oil and gas, construction, food and
Research and development
beverage, power generation facilities, water and wastewater
The company spends 5% of its sales revenue on research
plants, and much more.
and development, which is much more than most other manufacturers in the electrical industry in EU, USA and else-
For further information, please contact MARECHAL Australia
where spend, as a proportion of their sales. Looking more
on 1300 661 830 or visit www.marechal.com.au.
4 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
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Sometimes it’s more than simply turning the lights off
Schneider Electric’s range of meters show you how you use your energy, so you can reduce consumption. With rising power costs and compliance, energy efficiency is high on the agenda for every business. But before effective change can be made, it is essential to understand where, when and how energy is being consumed. Schneider Electric’s advanced range of power meters makes it easy to measure energy use, and identify potential savings and dysfunctions. They also enable sub-metering in multi-tenant environments and loads on one or three-phase supplies. This knowledge makes it a whole lot easier to plan a strategy to lower energy consumption, achieve targets and comply with all relevant legislation. (Available now)
PM5350 is just one of the meters from Schneider Electric’s comprehensive range of energy monitoring devices.
To find out more, go to schneider-electric.com.au or call Schneider Electric on 1300 369 233.
Brand new range - available soon
iEM2000
iEM3000
PM3000
PM1200 (Available now)
© 2012 Schneider Electric. All Rights Reserved. Schneider Electric and Make the most of your energy are trademarks owned by Schneider Electric Industries SAS or its affiliated companies. • 78 Waterloo Road, Macquarie Park, NSW 2113 AUSTRALIA • www.schneider-electric.com.au • 1300 369 233 CLIPCOM24298
WORKING IN THE WAKE OF FLOODS
©iStockphoto.com/Andrew Clelland
During flood conditions, electrical hazards pose dangerous risks and can be fatal. Master Electricians Australia CEO Malcolm Richards* is warning contractors about getting in over their heads doing floodwater repairs.
I
n the past 18 months, there have been a number of widespread and devastating flood events across the country. It’s imperative at times like these that electrical contractors act swiftly to get power back to where it’s needed and help people start rebuilding their lives. As contractors in flood-stricken areas know, work piles up quickly and it’s critical that despite the extra pressure everything is done according to procedure, with a few additional factors taken into account.
Check before you reconnect During floods, Master Electricians has worked very closely alongside energy distributors to ensure it gets power back to homes in the most time- and cost-effective way possible. It’s often required by law that before a distributor is permitted to
6 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
reconnect flooded premises to the grid, an electrical contractor must inspect the property. When contractors are called to a property that has been fully inundated by floodwaters, they should not reconnect power until the insulation and earthing tests have been passed. They should remind their customers that they may be eligible to reclaim the cost of their inspection under their insurance policy. Customers without insurance cover will need to pay you up front, but tell them to contact the Disaster Welfare Assistance line to determine if they are eligible to redeem those costs. Given the trauma and costs many flood victims are struggling with, it’s understandable that people might be tempted to avoid calling an electrician to check on damaged
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appliances, but we certainly don’t want to see lives lost as a result of people plugging in water-damaged household items and hoping they will be okay.
If in doubt, replace it promptly Remember that even homes that appear safe and dry could have hidden electrical faults after floods. These may not appear for several weeks after the water has receded, but will continue to pose a risk if they go unnoticed. Taking shortcuts with electrical safety is not the answer, and will only add further to the tragedy experienced across the country in recent months. Once a switchboard or circuit breaker is submerged it must be replaced, in time, as it may become inoperable and pose a
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high safety risk. Residue left behind once the floodwaters have receded accelerates corrosion; and when grime builds up on internal elements it can cause hot spots and spark fires. Master Electricians also recommends replacing any power sockets, light switches, electrical fittings and cables that were submerged in floodwaters as there is a high probability of shorting, causing fire or electric shock. At a time like this, it’s important for contractors to remind their customers that they should not engage unlicensed workers or DIY handymen to check water-affected electrical fittings and appliances as the risks to their safety are too great. People need to know they cannot depend on friends, family or unlicensed handymen to perform this highly specialised work. Contractors need to remember that there’s
a big difference between floodwaters going through a home and flooding from a leaky roof. Floodwater contains more contaminants than rainwater and leaves sediment behind. Silt deposits left in systems after the flood event is over will remain even after the water has dried up, and they pose a threat to the health of residents in future. Many homeowners will want to use their air-conditioning units soon after returning home, but remind them they must be inspected by an accredited air-conditioning mechanic and an electrician before use. Replacement is highly recommended due to contamination and health issues. Similarly, before the hot water system is used it must be tested by a professional and the water contained in it must also be inspected. You need to emphasise to customers that it
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 7
TAKING SHORTCUTS WITH ELECTRICAL SAFETY IS NOT THE ANSWER, AND WILL ONLY ADD FURTHER TO THE TRAGEDY EXPERIENCED ACROSS THE COUNTRY IN RECENT MONTHS. ONCE A SWITCHBOARD OR CIRCUIT BREAKER IS SUBMERGED IT MUST BE REPLACED, IN TIME, AS IT MAY BECOME INOPERABLE AND POSE A HIGH SAFETY RISK. RESIDUE LEFT BEHIND ONCE THE FLOODWATERS HAVE RECEDED ACCELERATES CORROSION, AND WHEN GRIME BUILDS UP ON INTERNAL ELEMENTS IT CAN CAUSE HOT SPOTS AND SPARK FIRES.
is unsafe to use any electrical appliances like televisions, DVD players and stereos before they have been tested.
Be safe around solar panels Contractors and homeowners need to be extremely careful around solar panel installations during floods. Solar panels do not turn off if the sun is still shining. They will continue producing electricity even if the distributor has cut off the power supply and even if the panels have been switched off at the switchboard. Even if they are isolated at the inverter, the cable is still live to the panels and should be treated as live until proved otherwise. This creates a very dangerous situation for homeowners who are forced onto their rooftops to avoid floodwaters, as the solar panel and associated wiring is still live. With solar panels gaining popularity relatively recently, this is a problem on a scale we haven’t seen before, and they present a very real threat of death or serious injury if people come into contact with the wiring.
Suggest installing safety switches For properties that require a major rewiring after the flood, it’s the best time to take the opportunity to install safety switches. Many consumers don’t realise that to achieve maximum protection, they need a safety switch on every circuit of every home. This means hot water, lighting, air conditioning and oven and stove - not just power points. A safety switch is a relatively inexpensive device that saves lives across Australia every day, but unfortunately very few homes are fully protected. Master Electricians’ research has shown around 15 Australians are killed each year and 300 are hospitalised in electrical accidents in Australian homes which could have been prevented if safety switches were fitted. While it’s not legislated to install safety switches on every circuit board of the house, it is strongly recommended that in this process contractors encourage their
customers to upgrade to safety switches on all circuits to ensure the highest level of safety in future. In a flood or power outage, a safety switch will trip while a circuit breaker may not, meaning the circuit will be better preserved. The electrician should refer to the Wiring Rules regarding the requirements to install a safety switch. Flood-prone homes especially should have a safety switch installed on all circuits to prevent any future electrical accidents in floods. The electrician is to refer to the Wiring Rules for inspection and testing installation wiring and fixed equipment. The test results should be in accordance with Section 8 of AS3000:2007. Some equipment may need to remain disconnected from supply while repair or replacement advice is sought from the equipment manufacturer. For portable electrical equipment, the electrician must assess the damage and refer to the Australian Standard AS/NZS 3760, after which the appropriate disposal of the equipment should be requested should it fail the required test. For electrical safety purposes rendering plug and cord equipment unsuitable for use could be achieved by twisting off the pins from the plug top. Contractors should remind the customers that it’s important to check and test all conductive material - metal foil insulation and metal building material (sarking) located in the ceiling, roof or walls may have been damaged or dislodged and may present an electrical risk. Such material should always be treated as live until it has been proved safe. Likewise, thermal ceiling insulation may have become dislodged and present an electrical and/or fire risk.
Communicate the contract clearly One of the key lessons for industry from the Brisbane floods particularly was around uncertain commercial issues. In times of crisis, communication between contractors and customers is often unclear. Last year,
8 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
Master Electricians worked on a largescale program to help Energex reconnect homes to power and supplying contractors to test circuits beforehand. In this period of emergency, extra factors were introduced like volunteers and Premier’s groups, which muddied the waters of communication. It is essential that the contractors confirm contract conditions prior to starting work. When the contractors turn up to test and reconnect, they should make sure the requirements of the job are in writing. Even if it’s on the back of a postage stamp, it needs to be documented because a verbal arrangement won’t cut it. Contractors need to make it clear if they’ll be charging an hourly rate, charging a standard set fee, if they’re doing the work free of charge or having a third party pay for it such as a flood aid group. There are still some unresolved accounts from 12 months ago where the customers assumed the work would be free but that was not the case. In one instance, a contractor agreed to replace an entire switchboard at a discounted price of $1700, which would normally be a $5000 job. But as there was no written contract or understanding on the consumer’s part, they have been fighting not to pay any of the cost ever since. *Malcolm Richards was appointed CEO of Master Electricians Australia in July 2006 after spending six years with the Queensland Electrical Safety Office where his role included developing new electrical safety legislation. Richards has extensive experience in the electrical industry through 17 years working for Ergon Energy and previously NORQEB, based in Townsville. He is a qualified electrical fitter/mechanic/ linesperson and has completed a Masters of Business Administration (MBA). Master Electricians Australia Contact info and more items like this at wf.net.au/N086
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©iStockphoto.com/john downs photography
ELECTRICAL SAFETY
Introducing the MGE Galaxy 300 Simplicity you can trust
Performance you can count on APC by Schneider Electric™ presents the MGE Galaxy™ 300, an exciting addition to the broadest UPS portfolio in the industry. Suited for a wide array of applications and environments in the 10-40 kVA range, the Galaxy 300 delivers the proven electrical performance of an APC design in the right-sized architecture of an adaptable UPS.
Discover the MGE Galaxy 300
The most relevant features and levels of performance have been carefully selected to provide optimal power protection. Combined with its included start-up and on-site warranty, the MGE Galaxy 300 is the easiest UPS in its class to install, manage, and maintain.
• Flexible: 1+1 parallel capability meets redundancy needs with multiple back-up times
Pacific Datacom, part of the L&H Group, with six offices nationally is a specialist distributor of communication infrastructure solutions. Pacific Datacom are now a proud distributor of the APC range of products. Please visit www.pacificdatacom.com.au for more details.
• Secure: Maximum protection and availability with double conversion online topology • Compact: Wide or narrow tower in space-saving footprint • Simple: Easy to install and operate • Efficient: Reduces cost of ownership
• Serviceable: Push open, front access to maintenance bypass and slide-out boards make servicing easy • Fast-charging: Shorter battery recharge time prevents deep discharge damage
APC by Schneider Electric™ is the pioneer of modular data centre infrastructure and innovative cooling technology. Its products and solutions, including InfraStruxure, are an integral part of the Schneider Electric IT portfolio.
Download our FREE white paper “The Different Types of UPS Systems” and go in the draw to WIN a 32GB iPod Touch!* Visit www.apc.com/promo Key Code 52454k • Call 1800 652 725 ©2012 Schneider Electric, All Rights Reserved. Schneider Electric, APC, Legendary Reliability, and Smart-UPS are owned by Schneider Electric, or its affiliated companies in the United States and other countries. e-mail: esupport@apc.com • 78 Waterloo Road, Macquarie Park, NSW 2113 AUSTRALIA. *Authorised under NSW Permit No. LTPM/11/00888, ACT Permit No. TP11/04237. Promotion commences 1st January 2012 and closes 31st July 2012. Full terms and conditions available online.
NEW PRODUCTS
APD plugs The Cannon APD plugs have an IP rating of IP69K and are suitable for use in transport and the food and beverage industry. Its features include: IP69K rating protection against high-pressure jet stream (1160 to 1450 psi) as well as protection against the ingress of dust; operating temperature range is -40 to 140°; capable of steam jet washdowns, high liquid temperature (80°C) and close nozzle distances
Retraction system for cable guidance The igus RSP (pneumatic retraction system) adjustable retraction system is designed for secure cable guidance and can be used for large arm sizes and complex movements. With the RSP, the force is generated by a pneumatic cylinder. The system’s retraction force is adjusted by changing the pressure in the cylinder. The force progression remains constant, which the company claims ensures secure retraction of the energy chain in complicated fillings, with cables and hoses in many positions. The RSP is easily attached to various robot models with compact mounting brackets. The systems come in extension lengths from 500 to 1000 mm. Several designs of robot chains are available: the closed design is for cable protection in harsh applications, such as those involving spatter welding machines, chips and dirt; the easy version is designed so the cables can be quickly pushed into the chain by hand at any time; and the light version is easily managed and rapidly assembled. The tensile strengths are absorbed by the energy chain to increase the life of the cables and minimise downtime. For robots whose program sequences are frequently changing, alternating or unpredictable, an optional monitoring system is provided. This is suitable for robots steered by cameras or image acquisition systems. A connection to the robot controller or PLC facilitates monitoring; an early warning signal is given when a predetermined tolerance value is about to be exceeded. The Triflex R multidimensional moving energy chain is used for power, data and media supply. The construction kit is designed for robot users and has about 250 components to guide cables and hoses securely around difficult geometries. Treotham Automation Pty Ltd Contact info and more items like this at wf.net.au/M754
(100 to 150 mm) providing good engine steam-cleaning protection; designed to withstand high shock and vibration and resistant to brake and transmission fluid along with oil, grease, salt, dirt and mud; a threepoint bayonet coupling system with an audible and tactile feedback ensuring they are mated properly even in areas of low visibility or awkward position. The series is available in single, dual, 3, 4 ,6, 7, 37 and 51 contacts with a maximum current rating of 30 A and 6- or 7-way with 16 A contacts. Other features include: suitable for transportation applications such as braking systems, power distribution, battery links, sensor applications, lighting, gear and power-steering controls; colour-coded versions, with unique polarisation for each colour, are available to avoid miss-mating in areas where multiple connectors must be used; and, suitable for the food and beverage processing industry where high-pressure washdowns at high temperatures are required.
PAC power supply modules Advantech has released two PAC power supply modules with 72 W output power for their APAX series. The APAX-5343 and
Connector-Tech ALS Pty Ltd Contact info and more items like this at wf.net.au/L910
-5343E have passed Energy Star compliance and provide a power transmission efficiency of over 88% from AC input to DC output, providing power for more APAX modules. The APAX-5343 and -5343E have also passed UL 508 certification showing that they are suitable for safe operation in industrial environments. In order to protect the devices from overloading, voltage spikes and short-circuits, they include an auto-recovery mode which ensures that the APAX power supply will continue to work normally. The APAX-5343 is designed for APAX-5570 controller series, and the APAX-5343E is for APAX expansion modules, such as APAX-5520 compact controllers, APAX-5070 coupler series and relative APAX I/O series. Advantech Australia Pty Ltd Contact info and more items like this at wf.net.au/P121
10 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
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Small price
Big riSk Do the products you use comply? As Australia’s No.1 electrical brand, Clipsal’s greatest concern is the quality and safety of electrical products installed into people’s homes and workplaces. If you purchase or install inferior products that don’t comply with Australian Standards, you could risk your licence and hardearned reputation. You could also risk potential fines and jail terms. Most importantly, you could endanger people’s lives and their property. We design and manufacture quality products. You can be confident with the service and support you receive when you buy genuine Clipsal products from a trusted wholesaler. Don’t risk it… it’s just not worth it.
For more on how to avoid the risks, visit clipsal.com/Dontriskit
CLIPCOM24276 © 2012 Schneider Electric. All Rights Reserved.
NEW PRODUCTS
Mobile illumination unit The Allmand Maxi Lite 8V has a combined light output of more than 600,000 lm. It is suitable for applications in the events, open-cut mining and civil construction industries. The unit has a telescoping light tower with four 1250 W metal halide lamps on an adjustable head. The six-section, hydraulically actuated, automatic lift mechanism elevates the lamp head to almost 8 m above the ground. Adjustment of the lamp head allows accurate positioning of the lights before extending the tower. The tower can be raised to its full height in 25 seconds. Nylon guide sleeves allow smooth operation and help stabilise the tower when extended, enabling the unit to withstand wind gusts of up to 100 km/h. An integrated cable drum allows safe and neat extension and retraction of the power cable. Built to withstand a range of arduous operating environments, the unit has a heavy duty A-frame drawbar and 15� wheels on a single axle with leaf-spring suspension. It also has hydraulic override brakes and a hand-operated parking brake. The canopy is made from heavy gauge sheet metal to withstand harsh operating conditions and has built-in environmental containment facilities for the fuel tank and engine, in the event of any machine liquid spillage. Powered by a Caterpillar Model C1-1 diesel motor driving a 7.5 kW generator, the engine can run for up to 100 hours. The housing is insulated and the unit silenced to 64 dB. CAPS Australia Pty Ltd Contact info and more items like this at wf.net.au/N046
Safety light curtain with integral muting Micromax Sensors & Automation has announced the expansion of the Banner Engineering Ez-Screen Low-Profile (LP) safety light curtain range with the Type 4 safety light curtain with integral muting. Designed for use on smaller production machines, low-profile safety light curtains can provide good performance in compact spaces, yet are robust enough for large power presses. The curtain’s two-piece optoelectronic safeguarding device creates a screen of synchronised, modulated, infrared sensing beams that extend from end-to-end of the housing, ensuring operators are protected from machine safety hazards. It is also claimed to be immune to EMI, RFI, ambient light, weld flash and strobe lights and comes equipped with factory burned-in emitter and receiver circuitry for toughness and vibration tolerance. The curtain has a sensing range spanning from 100 mm to 7 m. Offering seven predefined muting configuration options - including bypass, mute-dependent override, mute enable and mute-cycle time extensions for L-style cell exit application - the curtain is suitable for diverse application requirements. Additionally, mute lamp and status outputs can be relayed to indicating devices with a removable disconnect cordset and accessory end-cap mounting bracket, while easy-to-see status, reset, zone, mute device and diagnostic indicators and displays communicate the number of beams blocked and provide detailed diagnostics. A selectable emitter test option can be used to simulate a blocked condition. Capable of two or four mute device/sensor hook-up options, the curtain is available with CSM muting splitter cordset. The curtain does not require a third box, which can help facilitate easy set-up, minimise wiring requirements and reduce installation costs. Set-up can be performed without a PC, handheld programmer or other device and DIP switch configurations feature many of the same functions as a standard Ez-Screen LP. Micromax Pty Ltd Contact info and more items like this at wf.net.au/M895
12 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
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NEW PRODUCTS
WLAN access points routers Hirschmann’s OpenBAT range, comprising the BAT-R (IP20) and BAT-F (IP67), is a modular system that enables WLAN access points and clients to be configured via the internet. Both have a HiLCOS operating system with management, security and quality of service functions and layer 3 IP routing. The number of wireless modules and ethernet LAN ports can be configured individually, as can the power delivery concept. Suitable for the power supply industry, gas and oil sectors and rail transportation, the OpenBAT range can be used to set up fast and stable infrastructure and meshed networks plus wireless distribution systems (WDS) or point-to-point connections, says Belden, and several thousand different designs may be configured using the devices. The hardware contains a wireless module with integrated ESD protection and bandpass filters, designed for applications in industrial environments. Multiple input multiple output (MIMO) technology may ensure a stable wireless connection, even in the presence of reflections or other forms of interference. When transferring from one radio cell to another, fast roaming means uninterrupted connections. The CPU platform facilitates a LAN connection via gigabit ethernet. The access points and clients also possess potential-free contacts as well as one V.24 and one USB interface that can be used for analog or DSL modem connections for WAN routing or remote maintenance. All combinations operate in temperatures up to 70°C. Access points and clients can be equipped with one or two wireless modules, as required. LAN connections can also be configured with one or two ports and these can be used for twisted pair cables or SFP transceivers. Belden Australia Pty Ltd Contact info and more items like this at wf.net.au/M865
Ethernet switches Ethernet Routing Switch (ERS) 4800 switches have been designed to support services needed for next-generation campus edge solutions - such as
Wireless I/O device
network virtualisation and wireless integration - and help enterprises optimise
The ZigSense ZS-P2P-001
voice, video and data communications.
networks for communication and collaboration with simplified convergence of
is a wireless I/O device
The 4800 switches offer: plug-and-play capabilities for IP phones; support
designed to transfer I/O
for standard and enhanced Power over Ethernet (PoE and PoE+) and small
data between two remote
form-factor pluggable (SFP/SFP+); and centralised authentication for all users
locations using license free
and devices on the network - including support for bring your own device
radio frequencies.
(BYOD) strategies - when used in conjunction with Avaya identity engines.
High speed communications and full duplex data
Energy-saver functionality offers an additional 25% power savings by ‘dimming’ the network during off-peak hours.
transfer enable digital and
Wireless split-plane technology decouples the control and data traffic,
analog I/O signals to be trans-
helping to ensure that wireless data takes the most optimal path across the
ferred reliably over short, me-
network. This technology can be embedded directly into the ethernet switching
dium or long distances.
infrastructure, reducing latency and increasing capacity and performance. It
Analog signals such as tank level, temperature, flow and pres-
optimises scalability, allowing the re-use of common hardware and requiring few network components.
sure or digital conditions such as pump, motor on/off
High-performance stackable chassis technology delivers up to 384 Gbps of
can be transferred directly to a remote PLC or between
virtual backplane throughput, as the stack grows and new units are added,
PLC stations, eliminating the need for expensive cables,
and offers a virtual hot-swap capability that enables units to be replaced
conduits and trenching.
quickly and easily without impacting live traffic.
Conlab Pty Ltd
Avaya Australia Pty Ltd
Contact info and more items like this at wf.net.au/N065
Contact info and more items like this at wf.net.au/N211
14 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
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NEW
Enclosure power distribution unit set
PRODUCTS
Eaton Corporation has available a set of enclosure power distribution units (ePDUs) that provide intelligent power distribution to optimise available power in a data centre and control the total cost of ownership. The set consists of enhanced Managed ePDUs as well as Switched and Advanced Monitored ePDUs. The Advanced Monitored ePDUs have accurate kilowatt-hour monitoring and the Switched ePDU enables remote shut-off and restart of data centre equipment. The ePDUs allow users to track and monitor power down to the server level including volt, ampere, watt and kilowatt-hour measurements.
Power quality analyser
By monitoring down to the individual server with 1%
The Fluke 430 Series II three-phase power quality analyser uses an algorithm to
accuracy (over 2 A), the units are said to provide control
measure energy waste and quantify its cost. This Unified Power function enables
over individual outlets. The units also allow switching
users to quantify the energy wasted by harmonics and unbalance; the user can
and sequencing of outlets and outlet groups. The outlet
calculate the cost of wasted energy by inputting the utility rate structure.
number identifications are colour coded to match the
The analyser may help facilities reduce electrical power consumption and im-
outlet section to the appropriate circuit breaker.
prove the performance and lifespan of electromechanical equipment by providing the return on investment justification to mitigate power quality distortion, Fluke claims. The device is suitable for electricians, utility technicians, electrical engineers, field service technicians and energy consultants. The analyser comes with 8 to 32 GB memory, an SD memory card and USB
An optional environmental monitoring probe is avail-
connectivity than can give longer power, energy logging and faster data download.
able to track temperature, humidity and contact closure
The software has been designed to give users more options to analyse both power
at the rack level. Temperature monitoring can be used
quality and power consumption.
to identify hot spots and reduce cooling costs. Each
Fully compliant with international IEC 31000-4-30 Class-A standard, the analyser
model also has an advance pixel LCD that provides
can monitor systems with up to 10 power quality parameters on one screen and
local readings for phase balancing and loading. The
can record up to 150 parameters on four phases simultaneously, in accordance
display allows for multiple lines of text to view outlet
with the EN50160 standard. It is safety rated 600 V CAT IV/1000 V CAT III.
information and configuration through the menu interface.
The analyser’s Inverter Efficiency function simultaneously measures the input
The units are fully integrated into the company’s
and output power of inverters in solar systems, wind turbines and uninterrupted
Intelligent Power Manager monitoring software, so that
power supplies, enabling the operator to see the inverter’s energy consumption
the user can monitor and trend down to the individual
and efficiency of operation.
outlet from a single interface and can view the whole
Fluke Australia Pty Ltd
data centre.
Contact info and more items like this at wf.net.au/M819
Eaton Industries Pty Ltd Contact info and more items like this at wf.net.au/M829
Occupancy and light logger Onset has released the Hobo UX90 occupancy and light logger, which tracks building occupancy and light usage to locate areas in a building that may require occupancy sensors and other energy-saving devices. Available from OneTemp, the logger is compact and comes with an LCD that visually confirms logger operation. It is suitable for building owners, facility managers, energy auditors and lighting contractors. The logger allows users to quickly and easily collect time-stamped data documenting each time room occupancy or lighting status change. It is easy to mount to lighting fixtures, ceilings and walls and is said to take less than one minute to set up and install. Once data has been recorded with the logger, users can view it in graph form using Hoboware software or exported to Microsoft Excel for analysis. The software also has a bulk export feature that allows users to export data files to text format for use in spreadsheets and other programs. A USB 2.0 PC interface allows for full-speed data offloads. Signal strength indication can help with correct logger placement, while a large memory capacity may enable longer deployments with fewer site visits. The logger also has stop and start pushbuttons, and rare earth magnet, strap and command-strip mounting options to anchor it during deployment. OneTemp Pty Ltd Contact info and more items like this at wf.net.au/M812
16 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
SUPPLY PROTECTION
Electrical equipment is designed to strict applicable standards in Australia. However, business and consumer products such as power supplies, commercial and industrial equipment, computers and televisions are coming under pressure and the focus is now on design to minimise cost. This approach relies on specified mains voltages being maintained 100% of the time to supply standards. The equipment you install, domestic or commercial, may not necessarily be able to handle significant variations in mains power quality. This article details principles that can help ensure effective protection against surge events.
U
tility suppliers can no longer guarantee absolutely errorfree power - with so much aboveground copper, it’s next to impossible to achieve. Even 99.9% guaranteed power within specification still leaves 5256 minutes a year of potential power problems. Site infrastructure may also contribute to power anomalies from power-hungry facility features such as gensets, lighting systems, motor sets and air conditioners. It only takes a few microseconds of unregulated power to create the damage. And remember it is not just AC mains that can be a problem. Any conductor, coaxial cable, internet cable and phone line can also deliver harmful energy to your equipment if you get a surge. Most equipment is now designed overseas in accordance with overseas regulated surge protection standards and therefore relies on some surge protection already existing in the system. Currently in Australia there is no regulated protection standard. It is not compulsory to fit surge protection. This means that the electrical equipment used in Australia may be relying on the upstream protection that simply doesn’t exist to do most of the work in handling harmful surge events. So why isn’t the equipment designed to handle surge events? There are two primary reasons: first, the smaller the power supply, the less able it is to absorb harmful energy events; the second reason is that trying to deal with excess energy at the final point of entry into equipment is the wrong place to alleviate the problem. It is almost impossible to divert the harmful energy safely once it is inside the equipment. The co-located printed circuit boards and low-voltage components are too close. Even minor increases in voltage will result in damage to circuits. The harmful energy must be dealt with before it reaches the equipment. The requirement to do this is now moving to end users who need to provide a secondary protection level in accordance with emerging standards.
18 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
Installing surge protection before installing electrical equipment also makes sound economic sense as it increases the longevity of the investment. The cost is really small compared to the investment. The users should view it just like insurance. You insure your expensive car, so why not insure your expensive electrical equipment? There are a few guiding principles and standards that can be applied to any site. The overall guiding principle is to divert the energy then control the surge current flow. Then, do it again. Sounds simple? There are, however, quite a few standards that apply. Key to understanding the correct approach to the solution is to understand what standards can be applied and where. It is also important to understand that there is a strict hierarchy of standards.
Foundation standard Fundamental to all surge protection standards is ANSI/IEEE C62.41. This foundation standard was developed many years ago in the US - based on research on surge energy events, a risk or protection zone strategy was developed. This zone strategy basically states that surge energy should be broken up into zones within a site. Surge protection devices (SPDs) are installed and matched to each zone. Only in this manner can the entire infrastructure be effectively protected.
Risk assessment standards The Australian Standard AS/NZS 1768 relates to how to measure risk and determine placement and type of surge protection required on a site. AS/NZS1768 is not a mandatory standard. It mirrors much of ANSI/IEEE C62.41 and is, therefore, an appropriate standard. However, this standard is not a standard to certify an SPD against. It is basically a risk assessment standard. Once the risk level and zone are determined, the user needs to select appropriate surge protection devices and locations for specific installation.
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ŠiStockphoto.com/Jeremiah Barber
SURGE PROTECTION STANDARDS
Mike J Hale, Surge Protection Engineering and Product Manager, Eaton Corporation, Australia & New Zealand
SPD standards In Australia there is no mandatory SPD certification standard. The country predominately uses either UL1449 or IEC61643. The latest revisions of these, at the time of writing, are UL1449ed3 and IEC61643-11. These US and European standards do vary from each other in some key performance measures and practices but either is suitable for use in Australia. These devices are usually rated against a specific risk category. In US products, the protection devices are classed as Type 1, 2, 3 or 4 devices for use in Cat A, Cat B, Cat C, Cat D risk zones. In European products, these protection devices are classed as Class I, Class II or Class III devices for use in each risk zone. It’s important to select an SPD that matches the risk zone it is being applied to.
Installation standards Correct installation of an SPD is very important. Most manufacturers give precise installation instructions. Sometimes, the cost of installing an SPD can be more than the value of the device itself. There are, however, no shortcuts to a good result. By following guidelines in AS/NZS3000:2007, Appendix F and taking note of manufacturer recommendations, a good result can be achieved. By using the zones protection principles, any site can be broken down into a number of risk areas. Once the risk is determined, a suitable SPD can be selected and applied to do the job. In a typical commercial or industrial site, the solution will most likely have three or two zones of risk. Zone 1 - This zone is typically the point of entry into a site. It is usually the zone of highest risk and therefore it is the location to place an SPD with the highest performance characteristics. While in UL1449ed3 terms these are usually Type 1 or Type 2 devices, in IEC61643-11 terms these are Class I or Class II devices. These devices are primarily surge diverters - they divert the primary surge voltage and absorb some of the current.
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Zone 2 - This zone is typically a distribution board or sub-board fed from the MDB or point of entry switch. It is usually the zone of medium risk and therefore an SPD with lower performance characteristics can be placed here. In UL1449ed3 terms these devices are Type 2 and in IEC61643-11 terms these are Class II devices. Here there is an opportunity to make a key change in the type of device to be applied - ie, either a surge diverter or combination diverter and surge filter. The key difference here is that with the surge diverter you only divert the energy, but with the surge filter you can divert the energy and control the surge current flow to the next zone. Surge filters use inline inductors to add this extra dimension. They cost a lot more but deliver a lot more as well. Zone 3 - This zone is typically the final sub-circuit or end-user equipment. It is usually the zone of lowest risk, but not always. In this zone the physics of what is happening in current and voltage means that there are limitations as to what can be effectively achieved. Therefore, ensuring installation of a device with good overall performance characteristics in terms of voltage and current limiting is very important. In UL1449ed3 terms these devices are Type 3. In IEC61643-11 terms these devices are Class III. In this zone it is typical to fit a combination surge diverter/filter. They can be hardwired or portable plug-in types. These types of devices can also provide protection for conductors other than mains AC - ie, internet cable, phone, data line, coaxial etc. Remember, the zone protection principles need to be applied in at least two locations/ zones to get an effective result. Following the above principles can ensure effective protection against surge events. Other power quality events require different technologies. UPS systems, power conditioners, power factor correction and isolation transformers are all used to perform different corrective functions. Eaton Industries Pty Ltd Contact info and more items like this at wf.net.au/N064
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 19
NEW PRODUCTS
Lockout kit The CLK-5 contractors’ lockout kit includes lockout devices for circuit breakers, fuses, plugs and hoses as well as multifunction cable lockout, lockout padlock, stainless steel hasp and danger/warning tags. The kit is similar to the CLK-1 kit but comes in a hard case toolbox with extra room for accessories. It also includes a booklet, ‘Little Book About Lockout Tagout’ with information about lockouts and tagouts. Cirlock Contact info and more items like this at wf.net.au/N049
Energy management meters The netMeter4000 series of smart, web-enabled energy management meters provide a totally integrated automatic monitoring and targeting (aM&T) solution. netMeters are fitted with a web server and data logger embedded within the meter enclosure and standard RJ45 network connectivity. The meter performs the measurement, while the webserver provides the data logging and the communications, and hosts the necessary software. The web server can be accessed by any standard web browser. Therefore, there are no additional communications cabling and software costs. The users can install the meter and view the eight standard HTML web pages showing instantaneous electrical parameters, historical energy consumption, costs and carbon emissions, together with graphs and profiling functions. The network connection allows any LAN connected PC to access the meter. It also allows the meter data to be automatically backed up on a server for data security purposes using FTP. With optional digital input/outputs, gas and water meters (and other electricity meters with pulse outputs) can be linked to the netMeter and consumption recorded. Additionally, alarms can be set, based on consumption thresholds, and output to a BMS. iAutomation Pty Ltd Contact info and more items like this at wf.net.au/N195
Railway-approved data cable Belden has added a railway-approved, high-performance gigabit ethernet (GbE) data cable to its range of cables, connectors, switches, routers and firewalls for mission critical railway and mass transit applications. It is suitable for use in the rail passenger transport industry to support expanding communications networks. Belden claims the BE43800 offers fast, reliable communications and enhanced system performance in railway, transportation and city transit systems. It is a shielded, halogen-free Cat 5e ethernet cable that meets international railway industry standards. The cable delivers real time information for operators and passengers, on-board as well as in terminals and control rooms. It is suitable for use in: GbE networks in rolling stock onboard applications for monitoring, recording and control systems; multimedia passenger information and entertainment; and train control management systems. The BE43800 has good mechanical resistance and a small bending radius for installation within limited space applications. It can be used in temperatures ranging between -40 and 90°C in a variety of applications. The cable is fully compatible with M12 connectors for field installable or pre-moulded cable assemblies. Belden Australia Pty Ltd Contact info and more items like this at wf.net.au/M861
20 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
NEW White Papers
now available online!
Automated Test Outlook 2011: Key technologies and methodologies impacting the test and measurement industry This report details key trends, methodologies and technologies impacting test engineering organisations in every industry. The Automated Test Outlook combines input from academic and industry research, business intelligence and customer advisory boards. Read this white paper for more information.
Oxygen measurement on air separation plants Industry consumes vast quantities of oxygen and nitrogen annually, all of which is obtained from the air around us. There are two main techniques used to separate these two primary gases from air. These processes are cryogenic separation and pressure swing adsorption (PSA).
Bollard LED The City Light Bollard LED range consists of a 39 W LED module providing a 50,000 h LED lamp life. Manufactured from die-cast and extruded aluminium and powder coated in a metallic grey, the range is available in either a flat or domed top cap arrangement with either symmetrical or asymmetrical distribution. The stylish luminaire features wide or narrow beam options and a control with the ability to adjust the output from 100% to 50%. The range includes luminaires suitable for almost any exterior lighting application. Sylvania Lighting Australasia Contact info and more items like this at wf.net.au/P115
Circular connectors The D38999 Series III circular connectors feature high contact density for space and weight savings. The connectors are environmentally sealed and utilise removable crimp contacts. Its features include: high-impact shock and high vibration; triple lead thread coupling system; 1 to 128 rear release crimp snap-in contacts; contact sizes 12 to 22D to accept wires 12 to 28 AWG; 5 to 32 A; environmentally sealed; standard shells of
Top 5 things you need in a virtualisation management solution For any size data centre, having a proper management solution is critical for ensuring an orderly and problem-free environment. In this white paper we look at the top five areas you should look at when choosing a management solution for your virtual environment.
plated aluminium alloy; corrosion-resistant composite (nonmetallic) and stainless steel shells/housings; -65 to +200°C; scoop proof; 500 mating cycles is standard, however a 1500-cycle version is available; accepts a variety of Mil-C-85049 back shells which are ordered separately. Connector-Tech ALS Pty Ltd Contact info and more items like this at wf.net.au/P041
Five tips to reduce risk from modern web threats Modern web threats can infect your network, subvert systems into botnets or steal sensitive data. To meet these challenges to your security, you need to put in place user education and awareness, preventive measures and a modern web security solution. Read this guide for tips.
Stainless steel cable ties The Bonza cable ties are manufactured of grade 316 stainless steel, coated with epoxy resin. Suitable for a range of industries, the ties have fully rounded edges and easy thread, lead-in design. The self-locking head locks into place at any length along the cable tie body and may facilitate quick installation. DKSH claims the ties provide a strong, durable method of cable bundling. The ties can be used for a range of indoor, outdoor and underground applications, including direct burial. The company estimates their outdoor service life at 40 years. The stainless steel can withstand temperatures from -80 to 538°C, while the epoxy coating handles temperatures from -40 to 130°C. The ties’ radiation resistance is 2 x 108 rads, the stainless steel component will not absorb water and the epoxy coating offers water absorption less than 0.5%. The ties are available in packs of 100, in lengths from 200 to
For these and more White Paper downloads, visit www.electricalsolutions.net.au/white_papers
360 mm and widths from 4.6 to 7.9 mm. DKSH Pty Ltd Contact info and more items like this at wf.net.au/N051
22 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
NEW PRODUCTS
Micro-ohmmeter The AEMC high-current Model 6290 micro-ohmmeter is a portable, microprocessor-controlled instrument. It can be used to accurately measure very low contact resistances with test
Lighting control switch
currents up to 200 A.
Clipsal has extended its DALIcontrol
The instrument employs the four-terminal Kelvin method to prevent errors caused by test
range with the addition of a 30 mech
leads and their contact resistances. It has optimised filters and protection for measurements
switch.
in electrical substations.
The switch is fully configurable and
AEMC claims measurement accuracy is guaranteed through a signal amplification system,
can be fitted into a variety of switch plate
offset free with long-term stability. Resistance readings are shown
designs to provide a consistent look
in the alphanumeric display with up to 4½-digit resolution. It allows
with existing electrical accessories, while
measurement resistances up to 20 mΩ, and resolution of 0.1 µΩ.
allowing full control of the DALIcontrol system.
Test currents may be adjusted by the operator and are measured using an analog bar-graph indicator and backlit digital display.
It offers flexibility of control by
Capable of storing up to 200 readings in its internal memory,
controlling sequences, groups and
the device has a USB interface that can be connected to a
scenes. The switch is compatible
computer to download the stored values. DataView software
with other DALIcontrol systems, with
enables direct printout using a PC.
extra features available in DALIcontrol.
Rugged, lightweight and water resistant, it is
Additionally, it can be installed and
IP54 rated with closed lid. To prevent overheat-
reprogrammed or have switch plates
ing, the device has internal thermal sensors
changed as required.
in all sensitive components. The device is suitable for testing switchgear
Schneider Electric Australia Pty Limited
contact resistance, circuit-breaker contact resist-
Contact info and more items like this at wf.net.au/M810
ance, air-frame bonding, rail bonding and pipeline bonding. AEMC Instruments Contact info and more items like this at wf.net.au/M835
1|2|3
AOB CBO 3 phase R tion age Protec Earth Leak Block le Add-On u d o M e n O
3 phase earth leakage protection in a smaller enclosure Recognising the need for three phase earth leakage protection, the necessity to reduce installation time & importantly the panelboard size, hager introduces a product that delivers all the attributes of earth leakage protection that pairs effortlessly to any circuit breaker up to 63A.
For more information, contact Hager B&R on 1300 850 253.
www.ElectricalSolutions.net.au
www.hagerbr.com.au
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 23
CASE STUDY
Darling Quarter: a fusion of technology and sustainability
Darling Quarter is a redevelopment of the 1.5 ha ex-Sega World site located at the southern end of Sydney’s Darling Harbour, between Harbour Street and the Western Distributor Freeway, overlooking Tumbalong Park. The project consists of a low-rise, campus-style commercial development, known as Commonwealth Bank Place, with 58,000 m² of commercial space and 3000 m² of ground floor retail space across two new eight-storey buildings. In addition, there is a children’s theatre, a new park and playground area, and four levels of basement parking. Global engineering consultancy firm Norman Disney & Young (NDY) in February this year won the Commissioning Project of the Year category at the 2012 Chartered Institution of Building Services Engineers (CIBSE) Awards in London for the commissioning management services it delivered on this project. The development achieved a 6-star Green Star office V2 Design Rating and is targeting a 6-star Green Star V3 As-Built Rating and 5-star NABERS rating. The project incorporates a number of sustainability initiatives, including rainwater harvesting, on-site recycled water treatment, on-site trigeneration system, carbon emission reduction through energy-efficient design, recycled construction waste and a high-performance facade designed to maximise natural light and minimise heat gain. Neil Caswell, who now heads up NDY’s new specialist commissioning company Engineering Commissioning Services, led NDY’s team working on the project. Caswell says the development ultimately is helping to change the way we look at commissioning management in Australia. “Darling Quarter is one of only a few examples in Australia where technologies, including sustainability-focused innovations, have come together effectively,” says Caswell. “Many buildings don’t realise the full and ecological benefits that correctly tested and verified systems can unearth. “We especially acknowledge the leadership and vision shown by Lend Lease, who recognised the importance of commissioning and engaged us for a comprehensive role far in excess of that required to fulfil their Green Star requirements.” NDY’s responsibilities for the project included the development of a commissioning plan, review of design and contract documentation to provide input into the planning, inspection and witnessing, and reporting of the building services commissioning process. Additionally, the NDY team introduced the commissioning strategies and standards, and delivered the review of workshop drawings and contractor documentation, including commissioning manuals; method statements and commissioning programs; the
24 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
development of specific integrated systems testing (IST) procedures; the creation of the Building Users Guide (Green Star); and a final commissioning report. During the project, NDY’s scope was expanded to include overseeing the commissioning of critical services provided for the major tenant, Commonwealth Bank of Australia (CBA). Within this role, NDY managed and documented the testing and commissioning of the critical service infrastructure, including standby power generation, uninterruptible power supplies and automatic power switching, along with critical cooling equipment. The commissioning exercise included both performance testing and the robust testing of equipment redundancy. NDY also was engaged as the integrated fitout’s Independent Commissioning Agent (ICA) to provide compliance with targeted credit under Green Star Office Interiors v1.1 rating. NDY has recognised that specialised commissioning management skills and knowledge are essential in delivering today’s buildings and facilities, and to realise the potential of developing energy-saving initiatives. After the completion of the Darling Quarter project, NDY established a specialist company in Engineering Commissioning Services, who are dedicated to delivering the much-needed focus and expertise to this role. Engineering Commissioning Services is an independent commissioning management enterprise established by the NDY group and headed up by former NDY Construction Quality & Commissioning Manager Neil Caswell. Norman Disney & Young http://www.ndy.com/
www.ElectricalSolutions.net.au
NEW PRODUCTS
Shielded railway connectors The Lumberg Automation range of shielded railway connectors are designed for use in trains. Offering vibration-proof M12 connection technology, industry protection class IP67 and a temperature range of -40 to 90°C, they are suitable for harsh environmental conditions. Simple to install, the connectors are offered as moulded ProfiNet or fieldattachable versions. Individual lengths of cable are optionally available for the field-attachable connectors, meaning they can be employed in a range of solutions. Possible applications include the networking of control modules for doors and air conditioning in trains. The shielded railway connectors can also be used in combination with IP cameras or infotainment systems. Complying with EN 50155, IEC 61373 and DIN CLC/TS 50467 railway standards, the M12 connectors have four poles in D coding. The fieldattachable versions have threaded joints and spring-type terminals enabling simple assembly. The moulded versions are available with singleor double-ended ProfiNet cordsets. They have Cat 5 and Cat 5e transmission characteristics in line with ISO IEC 11801 and TIA/EIA-568-B.2 While the housings of the moulded connectors are made of PA plastic, those of the field-attachable versions consist of nickel-plated, die-cast zinc. The optionally available individual lengths of cable consist of irradiated, halogen-free polymer (FRNC) with a cross-section diameter of 22 AWG. The ProfiNet cable sets with moulded connectors are offered in lengths of 2, 5 or 10 m. Other cable lengths can be provided on request. Belden Australia Pty Ltd Contact info and more items like this at wf.net.au/M863
Why do I need surge protection? In products such as PC’s, Servers, Routers, LED, Plasma and LCD TV’s, home entertainment systems etc, the power supplies are getting smaller and the focus is on design to minimise cost. All it takes is a surge of a few microseconds to create damage. Surge events don’t just come from lightning either, they can be generated by any electrical switching device, photocopiers, air conditioners, generators etc. Installing surge protection makes good economic sense as it increases the longevity of your investment. It is similar to insurance, you insure your expensive car so why not insure your expensive electrical equipment? Eaton can offer solutions to this problem to suit your home or small business from as little as $100. To find out how to go about surge proofing your home or business go to www.eaton.com/powerquality. Select the Australia website. Go to products and services/surge protection and read the article on ‘Surge proofing your home or business.’
1300 UPS UPS www.eaton.com/powerquality AustraliaSales@eaton.com ©2012 Eaton Corporation. All Rights Reserved. Printed in AUS. 007PQ
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MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 25
NEW PRODUCTS
Portable hazardous area light The RUL-9 portable hazardous area light from Magnalight is Class 1 Division 2 approved hazardous location rated. It is designed to provide a strong light beam and long run times on a single charge. The light can operate for 5 h on a single charge of its lithium-ion batteries. It is not necessary to fully discharge the batteries before recharging and, if left unused, it will last up to 18 months without losing charge or the battery life decreasing. The light produces 120,000 candlepower and 1102 Lux at 7.6 m, with the light beam reaching over 180 m. Constructed with a high-strength nylon body and rubberised coating and equipped with an integral carry handle, the light is suitable for such uses as industrial applications, utility work, military and law enforcement and emergency services. The rear-mounted red and white LEDs can act as locator, signal or warning lights as needed. Operation is controlled by a booted, three-way push-button switch that allows users to operate the main beam and LEDs independently or in tandem. The light head is adjustable and can be moved through 90° for optimal beam placement. An included 120 VAC wall charger will not overcharge the unit, allowing operators to leave the light connected to the charging unit when not in use to ensure a full charge when the light is needed. An optional magnetic mounting system allows for increased manoeuvrability. The light is NFPA 1901-14.1.11.2 compliant. Magnalight
The infrared revolution continues...
ISO No. FLIR20856
http://www.magnalight.com/
FLIR i3, i5, i7 The smallest, lightest and most affordable thermal imaging cameras on the market. They are incredibly easy to use and require no former experience. It really is a matter of “point and shoot” to obtain high-quality thermal images that will immediately give you the thermal information you need. ◊ Good quality thermal images:up to 140 x 140 pixels ◊ Detect temperature differences as small as 0.10°C (FLIR i5, i7) ◊ Spotmeter in the centre of the image ◊ Store images on a removable SD card in JPEG format ◊ Extremely rugged, withstands 2 meter drop, IP43 ◊ FLIR Tools software included
www.flir.com FLIR Systems Pty Ltd. 10 Business Park Drive, Notting Hill, Victoria 3168, Australia VIC: 03 9550 2800 NSW: 02 8853 7870 WA: 08 6263 4438 QLD: 07 3861 4862 SA: 08 8274 3747 Tel AU: 1300 729 987 NZ: 0800 785 492 Email: info@flir.com.au
26 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
NEW PRODUCTS
Safety relay with voltage options The Phoenix Contact PSR-ESAM 4 safety relay, which has three safety switching paths and a signalling output, is used for twochannel monitoring of emergency stop control devices or safety door switches in machines and systems. In addition to the 24 V AC/DC model, the company also has available 48 V AC/DC, 60 V AC/DC, 110 V AC/DC and 230 V AC/DC units. The safety relay meets safety requirements in accordance with the standards for functional safety up to PL e as per EN ISO 13849-1 and SIL3 as per EN 62061 and IEC 61508. The device can be configured for both automatic and manually monitored start. Phoenix Contact Pty Ltd Contact info and more items like this at wf.net.au/M597
Multifunction video inspection cameras The Bonza KC-368B and KC-160A multifunction video inspection cameras are suitable for a range of applications from plumbing and electrical to mechanical. Both models come with a 3.5� clarity colour LCD monitor and magnetic, hook and mirror tips. Image resolution is 640 x 480 and the LCD screen has 320 x 240 resolution. Both models have a flexible probe with memory and fully adjustable LED lights. The KC-368B comes with a detachable screen for ease of use and can transmit signals up to 10 m wirelessly. Users can view and record videos via the extendable, water-resistant LED cable to the in-built 32 MB storage. An additional removable memory card, up to 32 GB, is also available. The camera has an LED charge indicator, AC adaptor and rechargeable battery. Videos and photos can be downloaded to computer via USB or memory card. While the standard camera head is 12 mm, an optional 9 mm or 5.5 mm head is available. The probe and camera are IP67 rated, while the main body is IP54 rated. The KC-160A is a robust model for general day-to-day use. With four AA alkaline or rechargeable batteries, the camera connects to a TV with a standard video cable. DKSH Pty Ltd Contact info and more items like this at wf.net.au/N044
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MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 27
NEW PRODUCTS
Work light strip Micromax Sensors & Automation has announced enhancements to the Banner Engineering WLS28 work light strip. The original WLS28 was developed to provide even, bright and efficient white LED illumination to enclosures and other areas with poor lighting conditions. The updated models have several additional features. Six different colours are available: cool and warm white, red, green, blue and yellow, as well as sealed IP67/IP69K or unsealed IP50 models. The models are available with standard or push-button on/off, cascadable or noncascadable models and clear or diffused plastic windows. With a robust but small profile and metal housing, the work light strip is available in various lengths from 145 to 1130 mm. All models have a width of 28 mm. The bright LEDs emit an even pattern of light, which Banner claims casts no shadows. Consuming less than 9 W per foot, the WLS28 is designed to last more than 50,000 h of continuous operation with minimal loss of intensity. Cascading the lights end to end can reduce costs by reducing the amount of wiring and installation time needed. Offering several mounting options and bracket styles, including zinc-plated 14-gauge steel swivel mounting brackets that allow 45째 pivoting in either direction, the work strip light is suitable for a range of lighting applications. An alternative mounting option includes the use of high-strength magnets, which can eliminate the need to drill holes and allows the light to be repositioned. The WLS28 operates on 12 to 30 V DC power and is available in cabled or quick-disconnect models. Micromax Pty Ltd Contact info and more items like this at wf.net.au/M836
Wireless battery-operated wall switches Clipsal has extended its C-Bus range with the addition of C-Bus wireless battery-operated switches. No hardwiring is required to install the switches. C-Bus wireless is a 240 V wireless control system that uses the same wires as a normal light switch. Installation is simple: the C-Bus wireless switch uses the same active and switched active as the old switch and a neutral is not required. Users can set up two-way switching between any switch. By adding plug adaptors, users can dim lamps or control appliances as well. The switches talk to each other using similar technology as keyless entry in cars. They have built-in dimmers or timers, can do two-way and three-way switching and can be operated by remote control. Computers are not required for set-up. Clipsal claims the C-Bus switches are a good introduction to home automation, as the installation can be added to over time. They are suitable for use in home theatre rooms; controlling spa baths, pool pumps and garden lights; simplifying tasks for the elderly and disabled; and switching on multiple lights. Clipsal Australia Pty Ltd Contact info and more items like this at wf.net.au/M637
28 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
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NEW PRODUCTS
High-voltage buck regulator control IC DIN rail-mount fibre enclosures Two DIN rail-mount fibre enclosures complement AFC’s existing range of fibre-optic and communication products for harsh environments and industrial applications. The Mini version can be used for housing preterminated cables or for splicing loose tube cables. It can accommodate 12SC connections in a single enclosure or 24SC connections when two enclosures are fitted together. The Compact version has a lockable compartment for splicing up to 24SC or 48LC connectors. The connectors can be fitted to the front or the side of the enclosure, to suit a particular application within an industrial enclosure.
The IRS2980 LEDrivIR is a high-voltage buck regulator control IC for LED light bulb replacement, LED tube lighting and other non-isolated LED driver applications. Rated at 600 V, the IRS2980 uses hysteretic average current mode control for precise current regulation. The device is available in an SO-8 package, and is lead free and RoHS compliant. The LED buck driver features low-side MOSFET drive with high-voltage internal regulator and highside current sensing. The converter is compatible with electronic PWM dimming, allowing for 0 to 100% current control. Using the company’s high-voltage IC process that incorporates high-voltage level-shifting and termination technology, the device is claimed to deliver sound electrical over-stress protection and higher field reliability, in addition to other
AFC Group Pty Ltd
features and enhancements.
Contact info and more items like this at wf.net.au/M176
International Rectifier
www.ElectricalSolutions.net.au
Contact info and more items like this at wf.net.au/M302
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 29
HOW MOTOR CONTROL CENTRES HELP REDUCE ARC FLASH HAZARDS
Michael Terry, Product Manager - LV MCC, Rockwell Automation
©iStockphoto.com/Aleksej Kostin
Companies continually look for ways to improve plant safety and a growing area of focus is reducing the potentially serious hazards caused by arc flash events. This article examines the causes of arc flash and discusses the standards guiding arc flash safety. It also explains the role that arc-resistant motor control centres (MCCs) play in helping to contain arc energy.
A
n arc flash is the result of an arc fault that superheats the air around it, expanding and creating a pressure wave within an electrical enclosure. This arc plasma vapourises everything it contacts, such as copper, insulating materials, bolts and the steel enclosure. This massive heat and energy can inflict serious injuries, including: severe burns from the vaporised materials; damaged hearing from the sound and pressure waves; and impaired eyesight from the high-intensity flash. Over the past 15 years, arc flash safety compliance has been introduced at many industrial sites in Australia and New Zealand. In fact, arc flashes are responsible for about 80% of all electrical-related injuries. One of the characteristics that make an arc flash such a dangerous event is the extreme temperatures involved. In some cases, temperatures can reach 19,000°C - almost four times greater than the temperature of the sun’s surface. Also, the pressure wave from the blast is equivalent to that of a hand grenade. The causes of an arc flash are usually accidental. They can be as simple as a rodent, snake or water accidentally entering the
30 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
electrical equipment, or the cause could be human error, such as an employee accidentally leaving a tool inside the enclosure or forgetting to tighten a connection.
Standards that address arc flash safety Historically, electric codes and safety standards didn’t directly address arc flash hazards; they only addressed protection from fire, electrocution and shock. Standards such as IEC61641, AS3439-ZD and NFPA 70E Electrical Standard for Safety in the Workplace are putting more focus on arc flash risks and helping to reduce the associated hazards. In 2004, numerous additions were made to NFPA 70E, including definitions and formulas to calculate arc flash, shock hazard boundaries and default tables for arc flash levels. The IEC61641 and AS3439 still do not address this issue. The revisions also outlined personal protective equipment (PPE) requirements for specific tasks and provided mandates for electrical safety programs, energised work permits, safe work practices and training.
www.ElectricalSolutions.net.au
ELECTRICAL SAFETY
WHEN CHOOSING AN ARC-RESISTANT MCC, IT’S IMPORTANT TO UNDERSTAND THE PERFORMANCE CRITERIA THAT MUST BE MET BEFORE THE MCC CAN BE CLASSIFIED AS AN ARC-RESISTANT DESIGN. ‘ARC RESISTANT’, AS IT APPLIES TO ELECTRICAL EQUIPMENT SUCH AS LOW-VOLTAGE MCCS, IS A RECOGNISED INDUSTRY TERM DEFINED BY IEC61641 OR IEEE C37.20.7-2007.
control capabilities designed to minimise the amount of time that employees are near the equipment. One of the newest features in MCC technology is built-in networking and preconfigured software. By including a built-in industrial network, based on an open protocol, such as EtherNet/ IP or DeviceNet, along with MCC monitoring and configuration software, users can remotely monitor, configure and troubleshoot the MCC. This minimises the need for personnel to enter into an arc flash boundary zone.
How do you know it’s truly arc resistant?
Features of an arc-resistant MCC design Arc-resistant MCCs and intelligent control systems can offer improved safety features along with remote operation and monitoring capabilities. Arc-resistant equipment controls arc flash exposure by extinguishing the arc, controlling the spread of the arc and directing the arc pressure wave away from personnel. An arc-resistant MCC also can provide Type 2 accessibility as defined within IEC 61641, IEC 60947 and IEEE standard C37.20.7-2007. Core features should include: structural integrity through a solid, robust design; two side sheets on every section; automatic vertical bus shutters and unit isolation. The MCC should employ a solid grounding system along with a well isolated and insulated horizontal bus and vertical bus. For added safety, spaces that accommodate plug-in units also should include automatic shutters that immediately isolate stab openings when units are removed. Selecting an MCC that uses smaller bus and main disconnect sizes also helps reduce the available energy in an application to reduce the intensity of an arc flash event if it does occur. Intelligent MCC designs also include remote monitoring and
www.ElectricalSolutions.net.au
When choosing an arc-resistant MCC, it’s important to understand the performance criteria that must be met before the MCC can be classified as an arc-resistant design. ‘Arc resistant’, as it applies to electrical equipment such as low-voltage MCCs, is a recognised industry term defined by IEC61641 or IEEE C37.20.72007. The standard defines the test requirements that must be met and the expected performance the equipment must deliver in the event of an arc flash. Some vendors might use terms like ‘arc flash resistant’ to describe their product, with the implication that it offers substantiated arc-resistant capabilities. The truth is that arc flash resistant is not a standard industry term and has no relevant meaning behind it. This type of inference provides a false sense of security for users expecting an arc-resistant design. In many cases, ‘commercial grade’ MCCs simply can’t withstand the effects of internal arcing faults for the tests prescribed in the IEC or IEEE standard. Instead of achieving the advanced level of protection they want, many users instead are relegating their strategy (perhaps unknowingly) to one based solely on preventative measures. This limited approach doesn’t fully address arc flash dangers and only protects a small range of users.
Does a closed door help? Another area of confusion centres on the claim that keeping the doors of an MCC closed during insertion and removal of power stabs provides a lower risk and therefore allows users to adhere to a reduced level of required PPE. The reality is that no industry standard allows users to reduce the risk category of an MCC application just because the door is closed. Will the door stay closed in the event of a fault in the unit? The reality is that during an internal arcing fault, doors of non-
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 31
©iStockphoto.com/Aleksej Kostin
ELECTRICAL SAFETY
arc-resistant equipment will likely blast open due to the pressure wave, even if they were properly closed and latched per the manufacturer’s specifications. This would increase worker exposure to the effects of the arcing fault, perhaps even exceeding the capabilities of the PPE selected, based on the default tables. Any person intending to open the door to work on the unit needs a level of PPE based on NFPA 70E guidelines for working on an energised unit. Only when using an MCC designed and tested in accordance with AS3439-AZD, IEC 61641 or IEEE C37.20.7-2007 should a user have any expectation of maintaining closed doors during an internal arcing fault. Otherwise, the worker is exposed to increased risk if an arc fault occurs in the MCC.
Diligence pays off Employers are responsible for performing arc flash hazard analysis that defines potential arc energy levels adjacent to
particular electrical equipment and providing the required level of PPE for working near energised electrical equipment. The best prevention against exposure to an arc flash is an in-house safety program that complies with the NFPA 70E standard. Beyond that, the most important advice is ‘shut it off’. Take the initiative to include in-depth safety programs and invest in current equipment designs to provide an improved level of safety for employees that also helps reduce substantial financial costs associated with electrical incidents. The good news is that advances in control technology make it easier with an expanded array of solutions designed to deliver improved safety, increased productivity and greater cost savings.
Reducing arc flash risks The following guidelines are effective in reducing the risk of arc flash: perform an arc flash hazard analysis on all electrical equipment; label all electrical equipment for arc flash hazards; install arc-resistant equipment; employ remote monitoring/ operation; conduct ongoing safety training; ensure workers are appropriately protected with suitable personal protective equipment (PPE); implement an equipment maintenance program; perform lockout/tagout (LOTO) to work on equipment; and test the voltage on each conductor for verification before working on equipment. Rockwell Automation Australia Contact info and more items like this at wf.net.au/M986
A NEW VISION by
DULHUNTY POWER
Helixon™ helical products
High temperature conductors
Vibration dampers
Toughened glass, porcelain & composite insulators
Heatshrink termination kits Fault indicators Cable height meters Corona cameras
Distribution & transmission line hardware Conductor sag measuring devices
www.dulhuntypower.com Australia 35 Waterloo Rd North Ryde, NSW Tel: +61 2 9870 7277 sales@dulhunty.com
32 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
New Zealand Unit 1/49 Rawhiti Rd Manly Village, Auckland Tel: +64 9 424 7295 brian@dulhuntynz.co.nz
www.ElectricalSolutions.net.au
NEW
AC270490_Saw_FP_ELECT SOLUTIONS_28.06.11
PRODUCTS
Modular safe for IT applications The Extend modular safe with direct free cooling is designed to protect IT applications from physical threats. The safe protects sensitive IT hardware from fire, smoke, fire extinguisher water, dust and unauthorised access. In addition to the servers and storage, it comes with components such as system controls, busbars, fire alarm and extinguisher systems. It is suitable
possibly the world’s most versatile multi-purpose saw
for medium-sized users. When direct free cooling is employed inside, the horizontal airflow and the separation between the cold and hot side in the safe is ensured. The cooled air is guided in front of the 482.6 mm level of the IT system. In cooler regions, cooling by outside air alone is sufficient for a predefined temperature range and can save energy. When outside air temperatures are low, the warm exhaust air is mixed with the incoming supply air, so that suitable process conditions are established for the IT. At higher external temperatures, the device cools the outside air to the desired air inlet temperature. If the outside temperature is warmer than the exhaust air, cooling takes place in air recirculation mode. The cooling unit is installed between the side panel of the modular safe and the outer wall on site. The arrangement between the safe and the outer wall supports the cold/hot aisle containment principle in the safe, which may increase cooling efficiency. Air exchange with the environment is via fire dampers that close immediately if smoke is detected, protecting the unit from fire. Rittal Pty Ltd Contact info and more items like this at wf.net.au/M751
Digital 60 m pipeline inspection system Available to rent, the Vivax VCam digital 60 m pipeline inspection system includes a transmitting sonde with 512 and 640 Hz for cast iron piping and 33k Hz for deeper detection. The system is installed in a stainless steel rugged housing suitable for tough environments. The system is supplied with a keyboard to title up to 16 pages of text along with audio commentary. It also allows users to upload to a PC
cuts wood aluminium steel plastic brass copper Reduces nearly ALL kick-back • 125mm, 650w Bi-directional twin blade system • Perfect for burr-free finish • With built-in lubricating system • Cuts up to 28mm
via USB interface and make copies for a client or capture images for reports. Features include: self-levelling D33/SL (41 mm diameter) camera, MPEG4 recording (up to 40 h) and playback on a built-in sound system. TechRentals Contact info and more items like this at wf.net.au/M820
www.ElectricalSolutions.net.au
Ampere Electrical Manufacturing Co. Pty. Ltd. 174-176 High Street, Prahran,VIC 3181 Tel (03) 9510 4333, 9510 2428 Fax (03) 9510 5940 Toll Free 1800 AMPERE (1800 267 373) www.ampere.com.au
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 33
NEW PRODUCTS
Measuring device range Phoenix Contact has updated its range of EMpro measuring devices so they can be monitored and analysed remotely via a web interface. This is made possible by two ethernet communication modules with an integrated web server that allow measuring devices to be quickly and easily integrated into existing ethernet networks. Important electrical machine and plant parameters, including current, voltage, power, energy and harmonics, can be accessed remotely using the server. The energy-measuring devices in the control centre can also be configured in this way. This makes it possible to customise the way measured data is stored and alarm messages are generated. The RS485 ethernet gateway allows access to multiple measuring devices using one IP address, with the EMpro MA600 integrated into the ethernet network as the master. All other measuring devices are connected to the device network as slaves via the gateway. The range is suitable for a variety of measurement tasks, from simple data collection for local consumers with the compact rail-mounted EMpro MA250, to power feed measurement tasks up to 700 VAC with the EMpro MA600 front panel device. Phoenix Contact Pty Ltd Contact info and more items like this at wf.net.au/M907
LED floodlight The Marl 748 floodlight delivers 3000 lumens from an input power of 56 W. Distributors Aerospace & Defence Products claim the floodlight uses 60% less energy than an equivalent metal halide lamp. The lamp has a rated life of 60,000 h, which is equivalent to more than 13 years when operated at 12 h/day. In comparison, a metal halide floodlight has a standard life of 3000 h. Weighing 8.1 kg and measuring 10 cm deep, the floodlight is offered in four versions, with an oval beam and medium, wide and extra-wide beams available. It is suitable for security lighting in warehouses, car parks and other commercial and industrial premises. The floodlight is based on Osram Golden Dragon Plus LEDs and is packaged in a robust die-cast, powder-coated aluminium housing protected by tempered glass. Being sealed to IP66 standard, the unit is weather-proof and suitable for operation between -30 and 45°C. Aerospace & Defence Products Contact info and more items like this at wf.net.au/M811
Surge protector range Offering protection from surges and spikes, the Eaton POD range of powerboards is suitable for computers, home entertainment systems and other electronic equipment. It also protects against line noise that may affect sensitive equipment. The range comprises the POD 6-outlet and POD+ 8-outlet models. Both offer 60,000 A surge protection and have high-quality power sockets with wide spacing. The power on/off switch illuminates to give power status, as does a surge protection status light. Wall mountable to save floor space, the surge protectors have a resettable circuit breaker and 1.8 m power cord with insulated pins. Eaton claims the POD range protects not only power circuits, but also protects against ‘back door’ surges that can enter users’ systems’ telephone lines, aerials or network cables. The POD model offers data, video/aerial and phone line surge protection, while the POD+ has additional cable TV surge protection. Both models are suitable for use in Class III/Cat A locations. Eaton Industries Pty Ltd Contact info and more items like this at wf.net.au/M893
34 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
NMW 2012 RETURNS TO SYDNEY
N
ational Manufacturing Week (NMW), Australia’s only fully integrated annual manufacturing exhibition, returns to Sydney in 2012 with industry showcases across 12 specialist zones. The event takes place on 8-11 May 2012 at the Sydney Showground, Sydney Olympic Park. This year’s event will feature two new zones: Sustainable Manufacturing and Metals & Composites. The Sustainable Manufacturing Zone will focus on opportunities for reducing industry’s environmental footprint, while Metals & Composites presents new developments in industry’s quest to develop reliable, lightweight, easily moulded manufacturing materials. In addition to the two new zones, NMW 2012 will once again host the Air Technology, Automation & Robotics, Electrical, Electronics, Engineering, Health & Safety, Information Technology, Materials Handling, Process Control & Instrumentation and Welding Technology Zones. The Electrical Zone will feature an array of high-tech products, services and technologies for the electrical sector of the manufac-
www.ElectricalSolutions.net.au
turing industry. Product categories include Data Communications, Installation & Control Equipment, Computer & Communication Technology, Programmable Logic Controls (PLCs) and Test & Measurement Equipment. Organiser Reed Exhibitions is expecting 10,000 visitors to NMW 2012, while over 300 local and international manufacturing industry suppliers will be exhibiting. Paul Baker, Exhibition Director for NMW 2012, said that the show is being shaped around industry feedback, including from manufacturers who have expressed particular interest in IT, process improvement and other strategies for reducing risk and increasing their overall capacity. Attendance is free for trade only. To secure tickets and for more information, visit the NMW 2012 website: www.nationalmanufacturingweek.com.au. Electrical Solutions will be distributed at NMW 2012. Collect your copy from the Media Table.
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 35
NEW PRODUCTS
Tamper-proof lockout hasp The Cirlock SLH-80 tamper-proof stainless steel lockout hasp can be used for multiple lockout points on energy sources. Accommodating up to six padlocks with up to 8 mm shackles, the lockout hasp cannot be pried open. It has a nickel plated finish. Suitable for use in a range of industrial environments, the lockout hasp has a 5 mm thick and 25 mm wide shackle. The fully opening shackle/body makes the lockout hasp easy to use. Cirlock Contact info and more items like this at wf.net.au/N052
Next-generation firewall The Sourcefire next-generation firewall (NGFW) builds on the company's next-generation IPS (NGIPS) technology and FirePower platform, combining IPS threat prevention, integrated application control and firewall capabilities in a security appliance. The firewall operates by combining granular control for more than 1000 applications with good visibility, intelligent automation and threat protection effectiveness. These capabilities are backed by the company's vulnerability research team and its collective security intelligence. It leverages a single-pass engine that delivers deep inspection. The platform can be configured at the user’s discretion as an NGIPS and NGIPS with application control or an NGFW, providing the user flexibility to
Solid state relays The 2-leg/3-phase SGB range relays are designed for controlling three-wired, three-phase loads connected in delta or, if balanced, connected in wye without neutral connection. Two of the three phases are switched by the SSR, the third being directly connected. With this range you have lower dissipated power (1/3 less) than with standard three-phase range. Its key features include: three-phase zero cross solid state relay with one direct connection designed for resistive loads; high efficiency back-to-back thyristors on output with TMS² technology for a long lifetime expectancy; 24 to 600 VAC; high surge current; control range: 10-30 VDC; green LED visualisation on the input.
deploy appliances to match their infrastructure needs and scale over time. Using FireSight technology, Sourcefire provides visibility into applications, users, content, hosts, attacks, vulnerabilities, behaviour and changes in a user’s environment. It correlates this information with user identity and reputation intelligence to assess risks and threat impact to make more accurate enforcement decisions. The firewall employs intelligent security automation for more agile protection efforts that can keep pace with changing environments. It does this through contextual awareness and collective threat intelligence that can result in more meaningful policy recommendations and automated adjustments to a customer’s defence in real time. It allows security teams to optimise remediation efforts by reducing actionable alerts and filtering out events irrelevant to the user’s environment.
Semikron Pty Ltd Contact info and more items like this at wf.net.au/N192
Computerlinks Contact info and more items like this at wf.net.au/M646
netMETER4000 series Web enabled energy meters
Helping to solve the energy management puzzle! iautomation.com.au
info@iautomation.com.au
36 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
1800 225 063 www.ElectricalSolutions.net.au
NEW
Multi-range DC power
PRODUCTS
The PSW-Series is a single output multi-range programmable switching DC power supply covering a power range up to 1080 W. The series of products includes six models with the combination of 30 and 80 V and 360, 720 and 1080 W maximum output. The multi-range feature allows flexible and efficient configuration of voltage and current within the rated power range. As the series can be connected in series for a maximum of two units or in parallel for a maximum of three units, the capability of connecting multiple PSW units for higher voltage or higher current output provides a broad coverage of applications. The series is a regulated switching DC power supplies with high voltage and high current output. It operates in constant current mode or constant voltage mode within a wide operating range limited by the output power. The adjustable slew rate of the series allows users to set for either output voltage or output current, a specific rise time at the low- to high-level transition and a specific fall time at the high to low level transition. The output on/off delay feature enables the setting of a specific time delay for output on and off. This is useful when multiple PSW units are used to generate various outputs with specific on/off time relations. A bleed resistor at the power output terminal can quickly discharge the internal filter capacitors when the power supply is turned off and the load is disconnected. The series consists of six models, divided into three different types covering three power ranges: Type I (360 W), Type II (720 W), Type III (1080 W); PSW
Solar inverter
30-36 360 W single output with 30 V max voltage and 36 A max current; PSW
The REFUsol 020K inverter can be integrated into
30-72 720 W single output with 30 V max voltage and 72 A max current; PSW
solar installations to help them reach maximum output.
30-108 1080 W single output with 30 V max voltage and 108 A max current;
The inverter belongs to the 8-20 kW series that is
PSW 80-13.5 360 W single output with 80 V max voltage and 13.5 A max cur-
designed for rooftop systems and solar parks, from
rent; PSW 80-27 720 W single output with 80 V max voltage and 27 A max
8 kW upwards. It has a rated AC power of 19.2 kW.
current; PSW 80-40.5 1080 W single output with 80 V max voltage and 40.5
With good MPP-tracking and a wide input voltage range of up to 380 to 850 V, the solar inverter is
A max current. When the power supply is configured that the total output (current x voltage
claimed to reach a peak efficiency of up to 98.2%,
output) is less than the rated power output, it functions as a typical constant
even at a low irradiation level. Based on this efficiency,
current (CC) and constant voltage (CV) power supply.
heat is dissipated by convection cooling.
However, when the power supply is configured such that the total output power
Because of the low voltage fluctuations against
(current x voltage output) exceeds the rated power output, the effective output
earth, the tranformerless device can also be used
is limited to the operation area of the unit.
for numerous thin film modules.
The series has adjustable slew rates for the level transition of both current
REFUsol www.refusol.com/
and voltage. TekMark Australia Pty Ltd Contact info and more items like this at wf.net.au/L574
InstalTest Combo Single & 3 Phase Multi-Function Tester for All Your Electrical Installation Testing and Verification.
Replaces 5 instruments with 12 tests in one instrument.
Single & 3 phase installation testing to AS/NZS3017 covering earth continuity, insulation resistance, polarity, correct connections, fault loop impedance and RCD testing.
Optional 3 phase adaptors for safe, quick and reliable 3 phase testing from the 3 phase socket outlet - no need for probing!
InstalTest
COMBO 3125 $999 ex GST
Optional MI-TPI for 3 phase testing of RCDs, fault loop etc.
Call EMONA on tel: 1 800 632 953, email: testinst@emona.com.au or www.instaltest.com.au www.ElectricalSolutions.net.au
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 37
NEW PRODUCTS
High-power drives Rockwell Automation has extended the power range of its Allen-Bradley PowerFlex 755 AC drives to 900 kW and added 690 V ratings. The drives are suitable for heavy industrial applications, providing users with increased application flexibility, advanced diagnostics and
Outdoor lighting
a common DC bus option. The company has
The Siteco A2 Midi LED outdoor luminaire incorporates 84 LEDs which pro-
expanded the horsepower range and added
vide 50,000 h lamp life and reduce maintenance. The luminaire is suitable
new features to bring the benefits of the
for outdoor lighting applications with a total power consumption of 103 W.
PowerFlex 755 family - advanced diagnostics,
With an IP66 rating, the easy-to-install LED has two options for mounting:
a convenient rollout design and control op-
a zinc-plated steel trunnion or pole-mount adapters. Sylvania Lighting Australasia Contact info and more items like this at wf.net.au/P110
tions - to a broader range of motor control applications. The common DC bus option allows users to connect the PowerFlex 755 AC drive to a common DC bus configuration, which takes advantage of different drive cycles to share
Lockout device for MCBs
energy. In this configuration, a DC bus acts
The UCL-4 compact universal lockout device is
as a common energy source that feeds
suitable for miniature circuit breakers (MCBs).
energy from a generating load to a motoring
Made from anodised aluminium, the compact
load. Managing energy from a shared source
universal lockout device can accommodate
increases overall system performance and
one padlock, with shackle size up to 7 mm.
reduces losses - ultimately improving the
The UCL-4 is designed to clamp onto the
application’s energy efficiency.
circuit breaker’s toggle in the ‘Off’ position with
Rockwell Automation Australia
the use of a small flat screwdriver.
Contact info and more items like this at wf.net.au/M189
The device will, in most cases, not interfere with the cover plate, due to its compact size. Cirlock Contact info and more items like this at wf.net.au/N053
38 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
NEW PRODUCTS
High current connector catalogue Connector-Tech ALS has released its catalogue of high current con-
Multifunction tester
nectors. The company has good
Megger has extended its range of multifunction testers with the MFT1825. The tester conducts all
stock of products for AC as well
tests required to complete electrical certification for industrial, commercial and domestic fixed wir-
as DC, with current ratings up to
ing installations.
800 amps. As well as performing insulation,
The catalogue includes Phase3
RCD and 2-wire non-trip loop tests,
Powersafe (or Veam Powerlock)
the tester is also able to perform
connectors for 3 phase applica-
a range of tests including 2- and
tions up to 800 amps. These con-
3-pole earth testing with an op-
nectors are suitable for portable 3
tional accessories kit.
phase generators and waterproof
The tester includes a safety
to IP67.
feature whereby it can be con-
For applications up to 700
nected across live mains voltage
amps 1000 VAC or 1500 VDC,
at any setting on any range without
the company has Marechal
being damaged. A visible and
connectors. Also waterproof to
audible warning will be shown
IP67, these connectors incorporate
and sounded if a hazardous volt-
an inbuilt switching mechanism to
age is present. The tester has an
allow disconnection under load.
EN61010 Category IV safety rating.
Other highlights of the catalogue
All Megger testers have ABS
include military style connectors
and rubber shells with an IP54
Mil-C-5015 and VG95234 for ap-
protection rating that offer protection against condensation, dust and dirt.
plications up to 150 amps and
The instrument conducts a range of RCD tests, including AC, A, S and programmable and three-
up to 163 contacts and CEEform
phase RCDs. The auto-test function means that complete test sequences can be run without reset-
by ABL SurSum for single- or
ting the RCD.
multi-phase applications up to
For users needing to download and store data, the MFT1835 can store up to 1000 test results in its onboard memory. The company’s free download manager software enables users to download test results via Bluetooth. The tester comes with a tough moulded carry case, test leads and calibration certificate. Megger Limited Contact info and more items like this at wf.net.au/M806
40 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
125 amps. The catalogue also includes Anderson Power Products, Anderson Airmotive and ILME Heavy Duty Rectangular products. Connector-Tech ALS Pty Ltd Contact info and more items like this at wf.net.au/M763
www.ElectricalSolutions.net.au
CASE STUDY
Energy-efficient lighting and electrical systems for hotel revamp Privately held Australian commercial contractor D&M Electrical Communications deployed energy-efficient electrical systems for the refurbishment of Westside Hotel in Dubbo, New South Wales. This included main supply and installation of switchboard, distribution boards, all lighting, power, emergency systems, data and C-Bus controls. The competition to win the tender was fierce but Colbros Electrical managed to bag the contract to undertake the electrical design and construct works for the refurbishment and extension of the hotel and subcontracted D&M to supply and install all electrical works for the project. As the hotel was operational while the refurbishment was taking place, the contractors had to make sure that their work had a minimal impact on daily trade. To overcome the challenges of the hotel continuing to trade as normal, some works had to be completed at night and a lot of temporary cabling had to be installed. Robert Ellison, D&M’s Service Manager, said the project was very demanding as the hotel stayed fully operational while the project was being undertaken - a lot of work had to be done before- and after-hours. One major inconvenience during the execution of the project was that in an act of vandalism the old existing main switchboard room was set on fire. This meant that D&M had to accelerate the process of installing the new main switchboard to allow the hotel to operate as normal. The company also designed and installed an interface between the fire panel and the security system so that when the fire alarm is activated it contacts the security company. One of the key features of the project was the use of energy-efficient lighting systems with the majority of lighting being either LED or gas-fired. D&M supplied, installed and commissioned a C-Bus system that catered for six different lighting setting for daytime, afternoon, evening, bistro open/closed, cleaning and hotel closed. As a part of the project, the company had to supply, install and commission a load shedding system where if the pub was starting to reach its capacity load, parts of the mechanical plant would be switched off to ensure that the main circuit breaker to the hotel would not trip under load. The installation also comprised a building management system (BMS) - to control the A/C units - which was integrated with a smart meter contained in the main switchboard enabling load shedding. Separately, D&M had to also relocate the Keno, TAB and poker machine systems. This meant that Keno, TAB and poker machine standards in cabling had to be followed. An AV system was set up throughout the hotel to allow different sections to play TAB,
www.ElectricalSolutions.net.au
television channels, background music and PA system. Exposure to these systems greatly benefited the company staff as they were provided special training to meet the project requirements. D&M has already bagged top state and national award for best commercial project (where the applicant’s contract value is less than $500,000) at the 2011 National Electrical and Communications Association (NECA) annual industry excellence awards. In November 2011, NECA recognised 10 companies from across Australia as being
the best of the best in the electrical and communications industry at the annual awards. “All of these projects showed genuine skill and are classic examples of why Australian companies are leading the world in electrical and communications installations. The NECA Excellence Awards always highlight the cutting edge of our industry, and in 2011 the winning companies have demonstrated that what was once only a futuristic dream is now a reality for homes, commercial installations and big industrial projects,” said NECA CEO James Tinslay. D&M Electrical Communications Contact info and more items like this at wf.net.au/N047
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 41
NEW PRODUCTS
LED downlight The Alto LED downlight incorporates 16 highoutput 2 W LED modules and features 50,000 h LED lamp life. Constructed from a powder-coated, die-cast
RS Components expands 3D CAD library RS Components has expanded its online library of free 3D CAD product models with the latest update including more than 2000 new models from interconnect products manufacturer Molex and electronic components manufacturer Omron.
aluminium body, the downlight includes integrated cooling fins for peak efficiency. Available in integral or low-profile remote driver configurations, the range features a wide range of beam options in warm white, natural white or white. The downlight is suitable for most applications, including retail and hotel lighting requirements.
The 3D CAD models from both suppliers
Sylvania Lighting Australasia
are now available for download free of
Contact info and more items like this at wf.net.au/P112
charge from the RS website at www.rscomponents.com/3D. With the release of an additional 1000 3D models of Molex connectors,
Cable assemblies
the range of Molex 3D models available
A rugged 18 GHz cable assembly has
now covers more than 7000 products.
been added to the Phaseflex Microwave/
Over 1000 3D models of Omron parts
RF test assemblies range. The assembly is
have also been added to the RS library,
specifically engineered for high throughput
including tactile, pushbutton and DIP
production test applications in the wireless
switches, as well as flow sensors,
infrastructure market.
microswitches and relays.
The increased durability reduces total
Users now have access to over
costs because it lasts longer and its stable
30,000 certified 3D CAD models of
performance ensures precise measure-
electronic and mechanical compo-
ments and repeatability.
nents. Registered users can download a model from the RS website in up to 23 neutral and native CAD file formats. Each model has part number and ordering information attached, aiding the purchasing process and allowing for quick completion of new designs.
The ergonomic design of the assembly eliminates the need to use a torque wrench to connect and disconnect accurately. The connectors minimise failure by incorporating maximum strain relief at the point where the cable and connector meet. The assembly's internally ruggedised construction is more durable, delivering crush resistance of 85 kg/cm. Available in 1.0 and 1.5 m lengths with both SMA and N-type male connectors, the cable is easier for the operator to use because it is small and lightweight and can be connected
RS Components Pty Ltd Contact info and more items like this at wf.net.au/M177
and disconnected manually. The assemblies withstand 100,000 flexures at a minimum bend radius of 2.4 cm. WL Gore & Associates Contact info and more items like this at wf.net.au/N208
www.krausnaimer.com SYDNEY MELBOURNE Tel: (02) 9797 7333 Tel: (03) 9720 9777 Fax: (02) 9797 0092 Fax: (03) 9720 9766
BRISBANE ADELAIDE Tel: (07) 3252 8344 Tel: (08) 8371 1443 Fax: (07) 3252 1497 Fax: (08) 8371 0901
Linked with an Australian Wide Distribution Network
42 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
©iStockphoto.com/Andreas Kermann
BICSI SOUTH PACIFIC 2012
When: 14-16 May 2012 Where: Sydney Hilton, 488 George Street, Sydney
ANNUAL CONFERENCE
B
ICSI South Pacific, the industry association supporting the information technology systems industry, is organising the BICSI South Pacific 2012 Annual Conference from 14-16 May 2012 at the Sydney Hilton. The event, featuring the theme Delivering Best Practice, will focus on raising the knowledge and skill levels of information technology systems (ITS) professionals in the many facets of ITS infrastructure through technical presentations, exhibits, guidance on NBN deployment, ‘best practice’ workshops and networking opportunities. Day 1 Exhibition - Monday, 14 May - is free for all ITS industry professionals to attend, where they will be able to learn from subject-matter experts at seminars,
workshops and exhibitions on the latest industry standards and best practice; how converged networks will support varied applications; when to choose shielded over unshielded cabling and vice-versa; how to properly terminate Cat 6A; how to correctly test and report on cabling performance; how to fault-find and interpret test results and OTDR charts; how to successfully deploy multimedia applications over structured cabling; what sort of cabling reticulation to use in various applications; how to maintain fire ratings in cable routing; and how to capitalise on the many business opportunities that lie in the NBN deployment. They will also be able to learn about the latest products and services and how these contribute to achieving best practice
that will add value to them and to their customers. The conference - held Tuesday, 15 and Wednesday, 16 May - will feature informative presentations from thought leaders in information technology, data centre design and deployment, broadband infrastructure, intelligent building services integration, telecommunications regulation and wireless technologies. It presents an opportunity for anyone involved in IT, telecommunications and building services to enhance their knowledge and skills to enable them to deliver best practice. For more information, visit www.bicsi.com.au. BICSI Contact info and more items like this at wf.net.au/N191
New ProTag Optima System Australia’s Most Compact Appliance Testing and Tag Printing System. The new ProTag Optima System tests portable appliances and RCDs, and prints test tags in a compact system weighing only around 2kg. No interface cables between the tester, printer and scanner provide maximum mobility on construction sites, factories and workshops. Light weight, wireless, battery powered and with logging of visual inspections and risk assessments, the Optima System guarantees greater efficiency, huge time savings and a lower cost per tag. Call EMONA Instruments on tel: 1 800 632 953 email: testinst@emona.com.au or www.protag.com.au www.ElectricalSolutions.net.au
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 43
PROCESS CONTROL | AUTOMATION | INSTRUMENTATION | SAFETY
Process Technology Regional Roadshow
2012 8
NOW IN ITS TH
YEAR
vend NEW or sess training ions
Queensland Coming soon ... to a city near you!
If you work in mining, minerals, metals processing, utilities, food and chemical manufacturing and processing then the Regional Roadshows are designed for you. Don’t miss out ...
NEW TRAINING SESSIONS FOR 2012 • Tune a PID flow loop • Troubleshoot a simple TCP/IP industrial ethernet network using four simple utilities • Write, install and test a motor control PLC ladder logic program • Basics of Modbus data communications protocol installation and troubleshooting • Arc flash protection and protective safety equipment • Variable speed drives— testing and troubleshooting
Brisbane • May 14 Gladstone • May 15 Mackay • May 16 Townsville • May 17
Supported by:
Training by:
Exhibiting companies include:
Includes FREE: • Access to exhibition • Training sessions - NEW • Lunch and networking drinks • Product demonstrations • Prize draws
To register or for more info visit: www.regionalroadshows.com.au 44 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
www.ElectricalSolutions.net.au
RESOURCE CENTRE ARBS 2012 The 2012 Air Conditioning, Refrigeration and Building Services (ARBS 2012) exhibition and seminar program will be held from 7-9 May 2012 at the Melbourne Convention & Exhibition Centre. Professionals and trade visitors who are involved in the design and construction of sustainable, energy-efficient, commercial, residential and multipurpose buildings and the design, manufacture, installation and maintenance of heating, ventilation, air conditioning (HVAC) and refrigeration products and services worldwide are invited to attend. The theme for the 2012 event is ‘Connecting people, technology and innovation’. Visitors have the opportunity to view the latest products on the exhibition floor, talk to manufacturers and distributors about new innovations and network with peers at a variety of social functions including the awards presentation dinner. The awards program, running for the second time in conjunction with the exhibition, showcases industry achievements across a variety of disciplines.
Energy Networks 2012 Registration is now open for Energy Networks 2012. This event, via four streams - people, communications, environment and infrastructure, will showcase major achievements across the energy supply industry. Each stream identifies topics and issues to be explored over the course of the event. Over 1000 delegates are expected to attend, with around 100 exhibitors in the trade hall. The event will be of interest and benefit to a wide range of professionals and practitioners across the energy supply industry. Date: 30 April 2012 to 2 May 2012 Venue: Brisbane Convention and Exhibition Centre Website: www.energynetworks2012.com
©iStockphoto.com/Marcus Lindström
Date: 7-9 May 2012 Venue: Melbourne Exhibition and Convention Centre, South Wharf, Melbourne Website: www.arbs.com.au
Electrical power systems course This course, to be held in Canada, provides invaluable information to anyone who wishes to know and understand the role of electrical testing, troubleshooting and commissioning of electric power systems. The course will enable attendees to: describe how to plan, control and implement commissioning of electrical systems; discuss performance specifications, which can be economically verified; explain the AC and DC testing of electrical equipment; specify the handover, acceptance and transition to operations; plan, design and implement a maintenance program with broadened knowledge from the course. The course will be of interest to electrical engineers, design engineers, commissioning and testing engineers, consulting engi-
www.ElectricalSolutions.net.au
neers, electrical technologists, project managers, project engineers, plant managers, operating and maintenance personnel and all individuals involved in electrical equipment maintenance, testing and commissioning project execution. Successful completion of the course qualifies delegates to receive 1.4 CEUs, which are granted by the Engineering Institute of Canada. One CEU is equivalent to 10 professional development hours of instruction. The course will be held at various locations around Canada: 23-24 April - Richmond, British Columbia; 25-26 April - Edmonton, Alberta. Discounts apply for early registration. For more information, please visit www.electricityforum.com/ forums/electrical-testing-and-commissioning-2012.html.
MARCH/APRIL 2012 - ELECTRICAL SOLUTIONS 45
In my opinion The Australian lighting industry is facing a myriad of problems, including complicated and fragmented regulatory environment for energy-efficient products and substandard products giving a bad name to the industry, that could potentially restrain growth. However, it’s not all doom and gloom. In the article below, Ilum-a-lite’s CEO Mark Rutherford explains how private and government funding options make it easy for businesses to go green. The combination of government and private funding facilities, state and federal grants, and energy-saving incentives offers organisations that want to save energy and money some unique opportunities, unprecedented in Australia. Here are some of the opportunities. In Queensland, Energex is offering cash incentives to large organisations to reduce demand. In NSW the Energy Saving Scheme (ESS) is providing fantastic rebates on energy saving, particularly in lighting when the capital cost is often reduced by as much as half. Victoria has expanded its Victorian Energy Efficiency Target (VEET) to commercial premises with a range of activities approved or soon to come. Also, in Melbourne, the Melbourne 1200 incentive program offers great opportunities to properties within the CBD. Add to this grants such as the Solar Schools program which offers funding for energy-efficiency projects and The Community Energy Efficiency Program for local government and not-for-profit organisations and you have an array of funding choices for different sectors. But wait. There is more. The best is yet to come. How good would it be if you could increase your energy efficiency, lower your energy bill and have it funded with repayments that are less than the savings? Well you can! Low Carbon Australia is a federally funded fund manager that provides low-cost finance to partners and projects that serve to reduce carbon. These include Macquarie Bank, Origin Energy and the Environmental Upgrade Fund, to mention just a few. Ilum-a-Lite is a long-established and major provider of energy-efficiency solutions and has knowledge of, and relationships with, the providers of all these incentives, grants and finance packages. Ilum-a-lite can provide guidance on the best finance and funding package, tailored to your organisation. Ilum-a-lite’s Light Eco product range has now been installed in seven continents and export sales have been 33% of total sales. More than 75,000 units have been installed worldwide. Since 2004, Ilum-a-lite has formed a Joint Venture Company in China in which Ilum-a-lite owns 51%. Ilum-a-lite International, headquartered in Singapore, has recently been established to develop the South East Asian market. In 2011, Ilum-a-lite formed a capital partnership with venture capital firm Cleantech Ventures to help propel the company’s growth, especially in overseas markets.
Mark Rutherford, CEO, Ilum-a-lite. Rutherford is a founding shareholder of Ilum-a-Lite and has been CEO since late 2001. Prior to taking a full-time role with Ilum-a-Lite, he operated a management consulting partnership specialising in developing leadership and management skills in senior executives. Mark has extensive experience in senior management roles and was Managing Director of an electronics manufacturing company (1988-1996), and a Naval Officer, retiring as a Lieutenant Commander in 1987. The company is now a focused energy-saving solution provider with a mix of products and services delivered by a team of highly skilled people.
46 ELECTRICAL SOLUTIONS - MARCH/APRIL 2012
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