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FUSES R&M Electrical only stock fuses from manufacturers known for their quality and product support. If you are unable to find the product you require please contact us. Alternatively, please refer to the “Fuse Comparison Chart� in the technical section of this catalogue.
FUSES
FUSES Bussmann - IEC Industrail Cylindrical Fuses 0.16a To 125a Class GC/GL cylindrical fuse data tables Offset Bolted Product Code C10G0.5 C10G1 C10G2 C10G4 C10G6 C10G8 C10G10 C10G12 C10G16 C10G20 C10G25 C10G32
Rated Current 0.5A 1A 2A 4A 6A 8A 10A 12A 16A 20A 25A 32A
Size D x L (mm) 10X38 10X38 10X38 10X38 10X38 10X38 10X38 10X38 10X38 10X38 10X38 10X38
Voltage (V AC) 500 500 500 500 500 500 500 500 500 500 500 400
Breaking Capacity (kA) 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA 120 kA
Bussmann - Joint Service & Nato Fuse Links Low voltage ind fuse links DEF Standard 59-96 (nato reference system) Cylinder Product Code 059-0107 059-0108 059-0109 059-0110 059-0111 059-0112 059-0113 011-9925 011-9926
Current Rating 0.25A 0.5A 1A 2A 3A 5A 7A 10A 15A
Body Size L x D (mm) 32.05X6.37 32.05X6.37 32.05X6.37 32.05X6.37 32.05X6.37 32.05X6.37 32.05X6.37 32.05X6.37 32.05X6.37
Off Set Bolted Tag Product Current Code Rating 059-0114 0.5A 059-0115 1A 059-0116 2A 059-0117 3A 059-0118 5A 059-0119 7A 059-0120 10A 059-0121 15A 011-9679 20A 012-0140 30A 059-0122 10A 059-0123 15A 059-0124 20A 059-0125 30A
Body Size L x D (mm) 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 56.03X11.96 70.7X16.7 70.7X16.7 70.7X16.7 70.7X16.7
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Rated Voltage (AC) 440 440 440 440 440 440 440 440 440 Rated Voltage (AC) 440 440 440 440 440 440 440 440 440 440 440 440 440 440
Fixing Centres NA NA NA NA NA NA NA NA NA
Interrupting Rating 33kA@440V AC 33kA@440V AC 33kA@440V AC 33kA@440V AC 33kA@440V AC 33kA@440V AC 33kA@440V AC 33kA@440V AC 33kA@440V AC
Fixing Interrupting Centres (mm) Rating 44.65 33kA@440V AC 44.65 33kA@440V AC 44.65 33kA@440V AC 44.65 33kA@440V AC 44.65 33kA@440V AC 44.65 33kA@440V AC 33kA@440V AC 44.65 44.65 33kA@440V AC 44.65 33kA@440V AC 44.65 33kA@440V AC 55.84 33kA@440V AC 55.84 33kA@440V AC 55.84 33kA@440V AC 55.84 33kA@440V AC
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Bussman - Low Voltage Fuse Links To BS88 & IEC269 Low voltage industrial fuse links DEF Standard 59-96 (nato reference system) Offset Bolted Tag Product Current Code Rating NITD2 2A NITD4 4A NITD6 6A NITD10 10A NITD16 16A NITD20 20A NITD25 25A NITD32 32A NITD20M25 20/25A NITD20M32 20/32A NITD32M40 32/40A NITD32M50 32/50A NITD32M63 32/63A
Rated Voltage (AC) 550 550 550 550 550 550 550 550 415 415 415 415 415
Fixing Centres (mm) 44 44 44 44 44 44 44 44 44 44 44 44 44
Cylinder Offset Bolted Tag Product Current Code Rating AAO2 2A AAO4 4A AAO6 6A AAO10 10A AAO16 16A AAO20 20A AAO25 25A AAO32 32A AAO32M40 32/40A AAO32M50 32/50A AAO32M63 32/63A
Rated Voltage (AC) 550 550 550 550 550 550 550 550 550 550 550
Fixing Interrupting Centres (mm) Rating 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 80kA 550 V AC 73 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC
Offset Bolted Tag BS Ref A3 Product Current Code Rating BAO35 35A BAO40 40A BAO50 50A BAO63 63A BAO63M80 63/80A BAO63M100 63/100A
Rated Voltage (AC) 550 550 550 550 550 550
Fixing Interrupting Centres (mm) Rating 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC 73 80kA 550 V AC
Offset Bolted Tag BS Ref A4 Product Current Code Rating CEO32 32A CEO40 40A CEO50 50A CEO63 63A CEO80 80A CEO100 100A CEO100M125 100/125A CEO100M160 100/160A CEO100M200 100/200A
Rated Voltage (AC) 550 550 550 550 550 550 415 415 415
Fixing Interrupting Centres (mm) Rating 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC 94 80kA 550 V AC
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Interrupting Rating 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC
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FUSES Bussman - Low Voltage Fuse Links To BS88 & IEC269 Continued... Low voltage industrial fuse links DEF Standard 59-96 (nato reference system) Offset Bolted Tag Product Current Code Rating DEO125 125A DEO160 160A DEO200 200A DEO200M250 200/250A DEO200M315 200/315A Offset Bladed Tag BS Ref F1 Product Current Code Rating NSD2 2A NSD4 4A NSD6 6A NSD10 10A NSD16 16A NSD20 20A NSD25 25A NSD32 32A NSD20M25 20/25A NSD20M32 20/32A NSD20M36 20/36A NSD32M36 32/36A NSD32M40 32/40A NSD32M50 32/50A NSD32M63 32/63A
Rated Voltage (AC) 415 415 415 415 415
Fixing Centres (mm) 94 94 94 94 94
Volatge (V AC) 550 550 550 550 550 550 550 550 415 415 415 415 415 415 415
Interrupting Rating 80kA 415 V AC 80kA 415 V AC 80kA 415 V AC 80kA 415 V AC 80kA 415 V AC Interrupting Rating 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC 80kA 550 V AC
Bussman - Red Spot Fuse Holders Red Spot fuse holders from Bussman (originally from GE) are manufactured from tough phenolic, flame retardant, non-hydroscopic mouldings and are fully shrouded for personal safety and comply with the IEE Wiring Regulations (BS 7671:1992). Anti-vibration features protect the fuse holder against the inadvertent release of the carrier due to vibration. Red Spot fuse holders are ASTA certified to BS 88: parts 1 and 2 are suitable for use on applications up to 660Vac and 460Vdc. Front Connected Code Amp Colour Max Cable Size (mm2) RS20H 20 Amp Black 10 RS20HWH 20 Amp White 10 RS20HGN 20 Amp Green 10 RS20HGY 20 Amp Grey 10 RS32H 32 Amp Black 16 RS32HWH 32 Amp White 16 RS32HGN 32 Amp Green 16 RS63H 63 Amp Black 50 RS63HWH 63 Amp White 50
Max Fuse Link Accommodated NIT / GNIT NIT / GNIT NIT / GNIT NIT / GNIT TIA/GTIA TIA/GTIA TIA/GTIA TIS/GTIS TIS/GTIS
Back Stud Connected Code Amp Colour Max Cable Size (mm2) RS20P/G 20 Amp Black 10 RS20P/GWH 20 Amp White 10 RS20P/GGN 20 Amp Green 10 RS20P/GGY 20 Amp Grey 10 RS32P 32 Amp Black 16 RS32PWH 32 Amp White 16 RS32PGN 32 Amp Green 16 RS63P 63 Amp Black 50 RS63PWH 63 Amp White 50
Max Fuse Link Accommodated NIT / GNIT NIT / GNIT NIT / GNIT NIT / GNIT TIA/GTIA TIA/GTIA TIA/GTIA TIS/GTIS TIS/GTIS
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Lawson - Compact Dimension Fuse-Links Compact Dimension Fuse-Links: With offset blade tags this range meets the requirements of BS88: Part 6 and IEC 60269-2 at rated voltages of 230/240V a.c. and 400/415V a.c. 230/240 Volt and 400/415 Volt Compact Dimension Fuse-Links to BS88: Part 6 • IEC60269-2 Rated voltages: 240V a.c. and 415V a.c. Breaking range and utilisation category: gG Rated breaking capacities: 20kA at 240V a.c. and 80kA at 415V a.c. Compact Type“CDS”fuse-links are for use in single or three phase commercial and industrial installations and can be fitted into BS88 bladed type fuse-holders and distribution fusegear. FUSES
Product Code SS2 SS4 SS6 SS10 SS16 SS20 SS25 SS32 NS2 NS4 NS6 NS10 NS16 NS20 NS25 NS32
BS88 Reference E1 E1 E1 E1 E1 E1 E1 E1 F1 F1 F1 F1 F1 F1 F1 F1
Volt Rating (V.A.C) 240 240 240 240 240 240 240 240 415 415 415 415 415 415 415 415
Breaking Cap (VAC) 16.5 16.5 16.5 16.5 16.5 16.5 16.5 16.5 80 80 80 80 80 80 80 80
Current Rating (A) 2 4 6 10 16 20 25 32 2 4 6 10 16 20 25 32
Length (mm) “ 51 2 51 2 51 2 51 2 51 2 51 2 51 2 51 2 62 2 7/16 62 2 7/16 62 2 7/16 62 2 7/16 62 2 7/16 62 2 7/16 62 2 7/16 62 2 7/16
Lawson - Consumer Unit Fuse-Links Lawson Type “L” fuse-links are for use in household consumer units or other single-phase installations with fault levels up to 16kA. These fuse-links comply with BS1361 for Type 1 fuse-links and are covered by ASTA Certificates of Short Circuit Rating. Product Code LA2 LA5 LC2 LC5 LC8 LC10 LC15 LC20 LD6 LD10 LD16 LD20 LD25 LD30
Current Rating (A) BS1361 BS88 - 2 5 - - 2 - 5 - 8 - 10 15 - 20 - - 6 - 10 - 16 - 20 - 25 30 -
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BS1361 Colour - WHITE - - - - BLUE YELLOW - - - - - RED
Length mm “ 7 /8 23 7 /8 23 26 1 26 1 26 1 26 1 26 1 26 1 29 1 1/8 29 1 1/8 29 1 1/8 29 1 1/8 29 1 1/8 29 1 1/8
Depth mm ” 6.35 ¼ 6.35 ¼ 10.32 13/32 10.32 13/32 10.32 13/32 10.32 13/32 10.32 13/32 10.32 13/32 12.7 ½ 12.7 ½ 12.7 ½ 12.7 ½ 12.7 ½ 12.7 ½
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FUSES Lawson - General Purpose Fuse-Links
Lawson Type “MD” cylindrical fuse-links are for general purpose usage in three-phase sub-circuits. With a breaking capacity of 80kA, type “MD” fuse-links can be used to protect circuits with high fault levels such as industrial installations. The fuse-links also meet the performance requirements of BS88: Part 2 and IEC 60269-2 and have been independently ASTA Certified to the rules of the ASTA 20 Scheme. Product Code MD2 MD4 MD6 MD8 MD10 MD16 MD20 MD25 MD32
Current Rating (A) 2 4 6 8 10 16 20 25 32
Length mm “ 29 11/8 29 11/8 29 11/8 29 11/8 29 11/8 29 11/8 29 11/8 29 11/8 29 11/8
Depth mm 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7 12.7
FUSES
” ½ ½ ½ ½ ½ ½ ½ ½ ½
Lawson - House Service Cut-Out Fuse-Links Lawson Type “ME” and “MF” fuse-links are for use in single or three-phase house service cut-outs or similar installations. The standardized BS 1361 breaking capacity of these fuse-links is 33kA at 0.3p. f. However to cater for increasing fault levels all Lawson house service cut-out fuse-links have been ASTA tested to 80kA at 0.15 p. f. Product Code ME5 ME10 ME15 ME20 ME25 ME30 ME40 ME45 ME50 ME60 ME80 MF30 MF40 MF50 MF60 MF80 MF100
Current Rating (A) 5 10 15 20 25 30 40 45 50 60 80 30 40 50 60 80 100
Length mm “ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼ 57 2 ¼
Depth BS1361 mm ” Type 5 22.3 7/8 10 22.3 7/8 15 22.3 7/8 7 /8 20 22.3 25 22.3 7/8 30 22.3 7/8 40 22.3 7/8 7 /8 45 22.3 50 22.3 7/8 60 22.3 7/8 80 22.3 7/8 30.16 1 ½ 30 30.16 1 ½ 40 30.16 1 ½ 50 30.16 1 ½ 60 30.16 1 ½ 80 30.16 1 ½ 100
FUSES
Technical Information Cartridge Fuse Cross Reference Table in our Technical Section See page 255
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Lawson - Industrial Fuse-Links With Bolted Connections
FUSES
Lawson Type “ N” & “T” fuse-links are for use in industrial installations and can be fitted into BS88 bolted fuse-holders and distribution fusegear. The range includes all BS88: Part 2 reference fuse-links up to 800 Amps and has gG classification, ensuring compliance with the current edition of the UK Wiring Regulations. Many nonreference tag variants are available to cater for installation in non-standard or specialised equipment. The range has a rated voltage of 415V a.c. and has been certified at a test recovery voltage of at least 110%. These fuselinks are therefore suitable for use on systems with voltages up to 457V a.c. The range also has a rating of 250V d.c. A complementary range of solid/neutral links is available to suit the Lawson fuse-link range.
Offset Tag Fuse Links Product Code NIT2 NIT4 NIT6 NIT10 NIT16 NIT20 NIT25 NIT32 TIA2 TIA4 TIA6 TIA10 TIA16 TIA20 TIA25 TIA32 TIS40
Current Rating (A) 2 4 6 10 16 20 25 32 2 4 6 10 16 20 25 32 40
BS88 Ref No. A1 A1 A1 A1 A1 A1 A1 A1 A2 A2 A2 A2 A2 A2 A2 A2 A3
Fixings Centres (G1) (mm) (Inch”) 44.5 1¾ 44.5 1¾ 44.5 1¾ 44.5 1¾ 44.5 1¾ 44.5 1¾ 44.5 1¾ 44.5 1¾ 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8
Product Code TIS50 TIS63 TIS80 TIS100 TIS125 TCP20 TCP25 TCP32 TCP40 TCP50 TCP63 TCP80 TCP100 TFP125 TFP160 TFP200
Current Rating (A) 50 63 80 100 125 20 25 32 40 50 63 80 100 125 160 200
BS88 Ref No. A3 A3 A3 A3 A3 A4 A4 A4 A4 A4 A4 A4 A4 (as A4) (as A4) (as A4)
Fixings Centres (G1) (mm) (Inch”) 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 73 2 7/8 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16 94 3 11/16
BS88 Ref No. - - - - - - - - - - - (as B1) (as B1) (as B1) (as B1) (as B1) (as B1) (as B1)
Fixings Centres (G1) (mm) (Inch”) 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 97 3 13/16 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8
Product Code TBC32 TBC40 TBC50 TBC63 TC80 TC100 TF125 TF160 TF200 TKF250 TKF315 TKM125 TKM160 TKM200 TKM250 TKM315 TMF355 TMF400
Current Rating (A) 32 40 50 63 80 100 125 160 200 250 315 125 160 200 250 315 355 400
BS88 Ref No. (as B1) (as B1) (as B1) (as B1) B1 B1 B2 B2 B2 B3 B3 - - - - - B4 B4
Fixings Centres (G1) (mm) (Inch”) 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 111 4 3/8 133 5¼ 133 5¼ 133 5¼ 133 5¼ 133 5¼ 111 4 3/8 111 4 3/8
Central Tag Fuse Links Product Code TB2 TB4 TB6 TB10 TB16 TB20 TB25 TB32 TB40 TB50 TB63 TBC2 TBC4 TBC6 TBC10 TBC16 TBC20 TBC25
Current Rating (A) 2 4 6 10 16 20 25 32 40 50 63 2 4 6 10 16 20 25
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FUSES Lawson - Motor Circuit Protection Fuse-Links To avoid nuisance fuse-link operation due to overcurrent starting surges, fuse-links used in motor circuits often require higher ratings than the full load current of the motor. Motor circuit protection fuse-links have a dual current rating, consisting of a continuous current rating and a rating relating to the operational characteristics. The letter ‘M’ separates these two ratings, for example, 32M50. This represents a fuse-link with a maximum continuous current rating of 32 Am p s, and an operational characteristic of 50 Amps rating to meet the motor starting current.
Offset Tag Fuse Product Code NIT20M25 NIT20M32 TIA32M40 TIA32M50 TIA32M63 TIS63M80 TIS63M100 TIS100M125 TCP100M125 TCP100M160 TCP100M200
FUSES
Current Rating (A) 20 20 32 32 32 63 63 100 100 100 100
Motor Starting Equivalent Rating (A) Standard Type BS88 Ref 25 NIT A1 32 NIT A1 40 (G) TIA A2 50 (G) TIA A2 63 (G) TIA A2 80 TIS A3 100 TIS A3 125 TIS A3 125 TCP A4 160 TCP A4 200 TCP A4
Central Tag Fuse Product Code TC100M125 TC100M160 TC100M200 TF200M250 TF200M315
Current Rating (A) 100 160 200 250 315
Motor Starting Equivalent Rating (A) Standard Type BS88 Ref 125 TC B1 160 TC B1 200 TC B1 250 TF B2 315 TF B2
Lawson - Street Lighting Cut-Out Fuse-Links Lawson Type “LST” fuse-links are for use in single-phase streetlighting cut-outs or similar installations. These fuse-links comply with UK Electricity Supply Industry Standards and BS7654. Leading authorities, including Lloyds Register of Shipping and Electricity Supply Authorities, have approved fuse-links within this range. A complementary range of solid/neutral links is available to suit the Lawson fuse-link range. Product Code LST2 LST4 LST6 LST10 LST16 LST20 LST25 LST32
Current Rating (A) 2 4 6 10 16 20 25 32
Fixing Centre mm Inch“ 38 1½ 38 1½ 38 1½ 38 1½ 38 1½ 38 1½ 38 1½ 38 1½
FUSES
Bussman - Fuse Holders Other colours available - please call for details Offset Bolted Code CM20F CM32FC CM32F CM63F CM100F
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Rating 20A 32A 32A 63A 100A
Max Cable (mm2) 16 16 16 70 70
Rec. Fuse Link NITD NITD AAO BAO OSD
Finish Black Black Black Black Black
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