Allen-Bradley
1492-SPM1B030
Allen-Bradley 1492-SPM1B030 Ser D Circuit Breaker 3A 1 Pole 277V DIN Rail 10kA
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$15.89
Circuit Breakers, Fuses & Protection
3,504 listings · 3,450 in stock
3,504 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
- Fuses1,574 in stock
- Circuit Breakers & Accessories825 in stock
- Miniature & DIN Rail Circuit Breakers304 in stock
- Fuse Holders & Fuse Blocks251 in stock
- Disconnect & Safety Switches206 in stock
- Molded Case Circuit Breakers133 in stock
- Surge Protection & Ground Fault127 in stock
- Protective & Monitoring Relays30 in stock
Mitsubishi
CP30-BA
Mitsubishi Electric CP30-BA 1A Circuit Protector Breaker AC 220V 230VAC 2.5kA
Only 2 left
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$8.89
Allen-Bradley
1492-CB1G020
Allen-Bradley 1492-CB1G020 Ser C Circuit Breaker 2A 1 Pole 240V DIN Rail 1 HP
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$8.89
Allen-Bradley
1492-SPM1C010
Allen-Bradley 1492-SPM1C010 Ser D Supplementary Protector 1A 1 Pole 277V 48VDC
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$11.89
Federal Pacific
ELS-250
Federal Pacific FPE ELS-250 Economy Renewal Fuse Link 250 Amp 600V BAG OF 10
Only 2 lots left
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$199.99 / lot of 10
Bussmann
RES-125
Bussmann RES-125 Super-Lag Renewable Cartridge Fuse 125A 600V Class H Industrial
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$11.89
Economy
ERN-600
Economy ERN-600 Renewable Cartridge Fuse 600 Amp 250V Industrial Electrical Part
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$61.89
Economy
EON-500
Economy EON-500 One Time Cartridge Fuse 500 Amp 250V Industrial Electrical Part
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$41.89
Siemens
LN1-E100
Siemens LN1-E100 Wire Grip Kit Molded Case Circuit Breaker ED Frame Electrical
In stock
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$9.89
Bussmann
REN-25
Bussmann REN-25 Super-Lag Renewable Fuse 25A 250VAC Class H Industrial BOX OF 10
Only 1 lot left
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$17.89 / lot of 10
Bussmann
NON-450
Bussmann NON-450 One Time Cartridge Fuse 450A 250VAC Class H Electrical Power
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$25.89
Economy
EON-225
Economy ECO EON-225 One Time Cartridge Fuse 225A 250V Class H Electrical Power
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$14.89
Federal Pacific
ELS-250
Federal Pacific FPE Economy ELS-250 R-6250 Renewal Link 250A 600V Fuse BOX OF 20
Only 2 lots left
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$199.99 / lot of 20
Economy
VR-92
Economy ECO VR-92 One Time Cartridge Fuse 600V Class H Industrial Electrical
Only 1 left
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$99.99
Economy
VR-94
Economy ECO VR-94 One Time Cartridge Fuse 600V Class H Industrial Electrical
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$99.99
Bussmann
REN-250
Bussmann Buss REN-250 No 1036 Super-Lag Renewable Fuse 250A 250V Industrial
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$10.89
Economy
EOS-250
Economy ECO EOS-250 One Time Cartridge Fuse 250A 600V Class H Industrial Power
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$21.89
Cutler-Hammer
4399H20
Cutler-Hammer 4399H20 Service Control 30A Fuse Pullout Block 4 Circuit Holder
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$49.99
LS Electric
BK63HU
LS Electric BK63HU 2-Pole 3A Type C Miniature Circuit Breaker 440V 6kA DIN Rail
Only 1 left
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$19.89
Socomec
38513038
Socomec Fuserbloc 38513038 J400A ClS J Fused Disconnect W/ 3 MERSEN HSJ250
Only 1 left
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$2,074.00
Siemens
Siemens BQDPLD Handle Padlocking Device Circuit
Siemens BQDPLD Handle Padlocking Device Circuit Breaker Lockout BQD CQD Series
Only 2 left
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$8.89
Siemens
Siemens BQDPLD Handle Padlocking Device Circuit
Siemens BQDPLD Handle Padlocking Device Circuit Breaker Lockout BQD CQD LOT OF 5
Only 1 lot left
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$103.89 / lot of 5
FPE
FPE Economy ELN 5 Renewal Fuse Link 5A 250V Fede
FPE Economy ELN 5 Renewal Fuse Link 5A 250V Federal Pacific Cartridge
In stock
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$10.00
FPE
FPE Economy ELN 6 Renewal Fuse Link 6A 250V Fede
FPE Economy ELN 6 Renewal Fuse Link 6A 250V Federal Pacific Cartridge
In stock
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$10.00
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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.