Cutler-Hammer
D30 WMS3D30
Cutler Hammer Supplementary Protector CSA 235 240-415V 5-10KA D30 WMS3D30
Only 2 left
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$40.00
Circuit Breakers, Fuses & Protection
3,524 listings · 3,464 in stock
3,524 Circuit Breakers, Fuses & Protection listings in 8 categories, from makers like Bussmann, Mersen, Eaton. Surplus, used and new-surplus, every item photographed. Free shipping in the lower 48 and zero lead time on everything in stock.
Categories in Circuit Breakers, Fuses & Protection
- Fuses1,575 in stock
- Circuit Breakers & Accessories829 in stock
- Miniature & DIN Rail Circuit Breakers308 in stock
- Fuse Holders & Fuse Blocks254 in stock
- Disconnect & Safety Switches207 in stock
- Molded Case Circuit Breakers132 in stock
- Surge Protection & Ground Fault129 in stock
- Protective & Monitoring Relays30 in stock
Bussmann
Bussmann Fusetron FRN 600 250V
Bussmann Fusetron FRN 600 250V
Only 1 left
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$10.00
Nidec
7004-0050
7004-0050 MDA-2 ISS 3 for NIDEC Module Card Board
Only 1 left
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$275.00
Fusetron
FNM-12
Fusetron FNM-12 Time Delay Fuse Lot of 5
Only 2 lots left
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$20.00 / lot of 5
Cutler-Hammer
YC362US800
EATON Cutler-Hammer YC362US800 800A 3 pole R9G3800U NON FUSIBLE G-FRAME 800A
Only 2 left
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$1,034.00
Eaton
FD1020VH08
Eaton FD1020VH08 (Marine Label) Series C Industrial Breaker 20 Amps 277 VAC Each
In stock
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$284.99
Bussmann
CCPB-1-30CF
Cooper Bussmann CCPB-1-30CF 30A 600V 200KA 50-60HZ 1.5HP 120VAC
Only 2 left
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$25.00
Square D
FAL34030
Square D FAL34030 Series 2 480 50/60HZ 3 Poles 250VDC 30A
Only 1 left
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$124.99
Bussmann
FRN-R-2
Bussmann Fusetron FRN-R-2 250VAC 20-200KA 125VDC.. Lot of 8
Only 1 lot left
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$15.00 / lot of 8
Industrial part
ALLE4N
ALLE4N Bradley 1492-GH070 250V 50/60 65V
Only 1 left
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$15.00
Moeller
PKZM0-25
Klockner Moeller PKZM0-25
Only 1 left
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$12.00
Square D
MJ-5454
Square D 3P Breaker 30A MJ-5454 QO Hacr
Only 1 left
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$15.00
Freelinwade
5IVIIVI
Freelinwade Non STD TR YLW 95A PUR 8MM X 5IVIIVI X 100 ft BÅG
Only 1 left
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$25.00
Eaton
FAZ-C20/1-NA
Eaton FAZ-C20/1-NA -SP 50/60HZ
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$14.00
Siemens
3NA3
Siemens 3NA3 036 160A 500V/120KA
Only 1 left
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$10.00
Sprecher + Schuh
Sprecher + Schuh L8-10/2/D D 10 BREAKER
Sprecher + Schuh L8-10/2/D D 10 BREAKER
Only 1 left
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$25.00
Moeller
PKZM0-1
Moeller Klokner PKZM0-1,6
Only 1 left
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$44.00
Moeller
PKZMO-63
Klockner Moeller PKZMO-63 NH11PKZ0
Only 1 left
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$22.00
Wavetronix
WAVETRONIX CLICk 650 Traffic Signal Surge Interf
WAVETRONIX CLICk 650 Traffic Signal Surge Interface
In stock
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$1,524.99
Carling
AC2-B0-34-620-131-D
Carling Technologies Circuit BrEAKER AC2-B0-34-620-131-D 20AMP 65-250 VAC
Only 1 left
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$124.00
Allen-Bradley
700-BR400A1
Allen Bradley 700-BR400A1 SR A 10AMP 600 Volts
Only 1 left
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$28.99
Mitsubishi
NF225-CP
Mitsubishi NF225-CP 200A Pole 3P 600VAC 50-60HZ
Only 1 left
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$354.99
Industrial part
Super LAG Renewable Fuse
Super LAG Renewable Fuse
Only 1 left
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$149.99
Industrial part
816-2979-102
GFI Genfare TwinVision CEA, INC 816-2979-102 REV B
Only 1 left
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$55.00
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Guides for Circuit Breakers, Fuses & Protection
- Circuit protectionMolded Case Circuit Breaker Ratings & ReplacementsFrame size, trip rating, interrupting rating (kA), voltage and slash ratings, trip units and mounting – and a checklist for a safe replacement.
- Parts identificationHow to Read Breaker & VFD Nameplates and Date CodesFrame, trip and interrupting ratings on breakers; input, output, duty ratings and series on drives – and where to look for the date of manufacture.