Westinghouse
QC1020
Westinghouse QC1020 Quicklag C Circuit Breaker 1-Pole 20A 120/240VAC 10kAIC HACR
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$10.89
Circuit Breakers & Accessories
833 listings · 822 in stock
833 circuit breakers & accessories listings from the brands you use, each one photographed. Free shipping in the lower 48.
Weekly new-arrivals email for Circuit Breakers & Accessories
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
Allen-Bradley
140M-C2E-C16
Allen-Bradley 140M-C2E-C16 Ser C Motor Protection Circuit Breaker MPCB 16A
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$36.89
Siemens
3RV2021-1HA15
Siemens 3RV2021-1HA15 Sirius Motor Protection Circuit Breaker 5.5-8A 3-Phase
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$74.89
Cutler-Hammer
BAB2020
Cutler Hammer BAB2020 Type BA Quicklag 20A 2-Pole Bolt-On Circuit Breaker 240V
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$21.89
Westinghouse
2A95053G01
Westinghouse 2A95053G01 Internal Trip Indicator Kit Circuit Breaker Accessory
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$20.89
Westinghouse
QBHW1030
Westinghouse QBHW1030 Circuit Breaker 30A 1 Pole 120/240V 22000 AIC Bolt On
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$15.89
Cutler-Hammer
QC1FP
Cutler-Hammer QC1FP 1258C07G01 Face Mounting Plate LOT OF 10 1 Pole QC Breaker
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$125.89 / lot of 10
Cutler-Hammer
QC1FP
Cutler-Hammer QC1FP 1258C07G01 Face Mounting Plate LOT OF 8 1 Pole QC Breaker
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$99.89 / lot of 8
Cutler-Hammer
FS240090A
Eaton Cutler-Hammer FS240090A Ser A Circuit Breaker F Frame 90A 2 Pole 480VAC
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$99.89
Westinghouse
373D958G05
Westinghouse 373D958G05 Vari-Depth Mechanism FB Breaker Panel Operator Standard
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$39.89
Westinghouse
MCP03150R
Westinghouse MCP03150R Motor Circuit Protector Breaker 15A 600VAC 3-Pole Trip
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$21.89
Arrow Hart
80513C-E
ARROW HART 80513C-E Circuit Breaker Push Button 1-3A 120-250VAC Panel Mount
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$19.99
Industrial part
80543
80543 Thermal Circuit Breaker Push Button 1-3A 120-250VAC Panel Mount Control
In stock
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$14.99
General Electric
TQD32200
GE TQD32200 Mounting Lug Kit for Circuit Breaker Terminal Industrial Electrical
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$199.89
Cutler-Hammer
CHB9H
Cutler Hammer CHB9H 3 Pole Circuit Breaker Industrial Electrical Panel Component
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$39.89
General Electric
15D6G3
GE 15D6G3 Quick Close Magnetic Coil 230V 60Hz Contactor Breaker Industrial Part
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$133.89
Eaton
AM2R-A3-LC-07-D-DU
Eaton Heinemann AM2R-A3-LC-07-D-DU 2 Pole Circuit Breaker 5A 240V Panel Mount
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$74.89
General Electric
General Electric 30 Amp Single Pole Plug In Circ
General Electric 30 Amp Single Pole Plug In Circuit Breaker Panel Load Center
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$10.89
General Electric
THT-103
General Electric THT-103 Handle Ties 2 Pole Operation Types RP TQL TQ Breakers
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$32.89
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Guides for Circuit Breakers & Accessories
- 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.