Westinghouse
QC1020
Westinghouse QC1020 Quicklag C Circuit Breaker 1-Pole 20A 120/240VAC 10kAIC HACR
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$10.89
Circuit Breakers, Fuses & Protection
3,505 listings · 3,451 in stock
3,505 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 & Accessories826 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
Westinghouse
QBH1035
Westinghouse QBH1035 Quicklag Breaker 1-Pole 35A 120/240VAC 22kAIC Bolt-On 40C
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$49.89
Westinghouse
Westinghouse Quicklag C 1-Pole Circuit Breaker 1
Westinghouse Quicklag C 1-Pole Circuit Breaker 120/240VAC 40C HACR QC Series
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$12.00
Westinghouse
TA350DA
Westinghouse TA350DA Terminal Lug 250-500 MCM CU-AL Single Cable DA Breaker Part
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$44.89
Westinghouse
T350DA
Westinghouse T350DA Pressure Terminal Lug 250-500 MCM for Type DA Breaker Part
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$48.89
Mitsubishi
NV50-SVFU315
Mitsubishi Electric NV50-SVFU315 Earth Leakage Breaker 3-Pole 15A 50mA 14kA GFCI
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$399.89
Eaton
LDC100A-NG
Eaton Cooper LDC100A-NG Type L Cutout Fuse Holder 27kV 100A Interchangeable
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$299.99
Siemens
5SY7120-7
Siemens 5SY7120-7 Miniature Circuit Breaker MCB 1P C20 230/400V 50/60Hz DIN Rail
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$20.89
Allen-Bradley
140M-C2E-C16
Allen-Bradley 140M-C2E-C16 Ser C Motor Protection Circuit Breaker MPCB 16A
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$36.89
Allen-Bradley
440N-Z21S26H
Allen-Bradley 440N-Z21S26H Ser B SensaGuard Non Contact Safety Switch Sensor
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$83.89
Siemens
3RV2021-1HA15
Siemens 3RV2021-1HA15 Sirius Motor Protection Circuit Breaker 5.5-8A 3-Phase
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$74.89
Mennekes
ME306MS2A-M2
Mennekes ME306MS2A-M2 HDI Disconnect Switch 30A 6-Pole 600VAC NEMA 4X Motor
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$750.89
Industrial part
P-R2-K3RF3-U217
GracePort P-R2-K3RF3-U217 Ethernet Interface GFCI Outlet 120VAC 3A Panel Mount
Only 1 left
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$52.89
Eaton
FL41D105
Eaton FL41D105 Fuse Link 1.5A Type D Cutout Removable Button Head LOT OF 2 Power
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$24.99 / lot of 2
Bussmann
C10G10
Eaton Bussmann C10G10 703-8386 Cartridge Fuse 10x38mm 10A 500VAC gG Industrial
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$8.89
Siemens
5SJ4110-7HG40
Siemens 5SJ4110-7HG40 Miniature Circuit Breaker 1-Pole 10A 240VAC 10kA DIN Rail
Only 4 left
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$13.89
Industrial part
Red Insulated Female Quick Disconnect Wire Termi
Red Insulated Female Quick Disconnect Wire Terminals Crimp Connectors LOT OF 50
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$21.00 / lot of 50
Reliance Electric
2/ORD
Reliance Electric Economy ERN 10 Class H Renewable Fuse 10A 250VAC 10kA IR 2/ORD
Only 1 left
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$9.89
Bussmann
LKN5
Bussmann Buss LKN5 LKN 5 Super-Lag Renewal Fuse Link 5 Amp 250 Volt LOT OF 5
Only 1 lot left
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$8.89 / lot of 5
Federal Pacific
16450
Federal Pacific FPE Economy Fuse ECO One Time 16450 EOS-450 450 Amp 600 Volt
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$66.89
Bussmann
REN-40
Bussmann Buss REN-40 REN40 Super-Lag Renewable Fuse Class H 40 Amp 250 Volt
In stock
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$8.89
Furnas
75P1046
Furnas Electric 75P1046 Fuse Clip Parts Kit 30 Amp 600V 60 Amp 240V Series A
Only 1 left
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$10.89
Federal Pacific
16500
Federal Pacific FPE Economy Fuse ECO One Time 16500 EOS-500 500 Amp 600 Volt
In stock
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$26.89
Industrial part
C38TN
MCB C38TN Wirewound Power Resistor 10 Ohm 5% Ceramic Bolt Mount Industrial Part
Only 1 left
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$8.89
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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.