IP RATINGS EXPLAINED

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IP RATINGS EXPLAINED  13TH APRIL 2018 DENNIS  LEAVE A COMMENT

The IP ratings (an abbreviation for International Protection ratings) is a two-numbered representation for protection against solids and water. The rst digit represents the protection rating against certain

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solid foreign objects (such as dust) while the second digit is the actual protection against water.

Understanding IP rating for lights The IP rating (Ingress Protection) is an internationally recognized method utilized to describe and measure the level of protection of electrical appliances against water and other technical components.

It’s always advisable to choose the right IP rating for your exterior lights plus ceiling fans so as to prevent hazardous accidents.

For enclosures, the emblematic “waterproof” IP ratings include IP67, IP66 & IP65 enclosures. The table below explains the meaning of each of these ratings and how they’re arrived at.

IP Rating

The actual Protection offered

Description of the offered protection

Test Method

IP65 Enclosures

These ones can protect against any water jets

Water entry is projected by a nozzle (which is 6.3 mm long) against enclosures from all directions and must not have any harmful effect.

Test duration: The test takes about 15 minutesWater volume: It requires about 12.5 liters of water per minutePressure: The test requires a pressure of 30 kPa at a 3m-distance

IP66 Enclosures

This one can offer protection

Water is projected in dominant jets (i.e. a 12.5 mmNozzle)

Test duration: It requires about 3 minutesWater volume: The test

IP67 Enclosures

against water jets

against enclosures from all directions and shouldn’t have any harmful effects.

requires 100 liters of water per minutePressure: The test must be done at a pressure of 100 kPa and at a 3m

These ratings can protect against an Immersion of up to 1 m

It protects entrance of large volume water and when the enclosure in question is immersed in water(but under pre-de ned under prede ned pressure and time conditions)

Test duration is 30 minutes The immersion should be at a depth of more than 1 m measured from the bottom of the device and more than 15 cm measured from the top of the device

IK Rating: What is it?

IK ratings denote the European standard EN — the equivalent of IEC 62262 (2002) standards. This represents an international numeric classi cation concerning degrees of protection by enclosures for all electrical appliances against external mechanical forces/impacts.

IP rating in electrical appliances The IP Code is an International Protection Marking that interprets the IP code as an Ingress Protection Marking. It also classi es & rates it as the level protection against intrusion, dust, unintentional contact, as well as water.

IP ratings brief history

IP ratings were rst developed by the International Electro-technical Commission. They are mostly used in Europe & Asia, but nd some adherents in parts of North America. Since they’re international standards, testing and certi cation is done by the TUV and not UL. Note: IP ratings were developed to address harsh environments and not ultraviolet rays (UV) protection. Thus, engineers should incorporate additional materials that offer UV protection.

IK RATING

INGRESS PROTECTION

IP65 ENCLOSURES

IP RATINGS

IP RATINGS EXPLAINED

IP67 ENCLOSURES

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