Eaton
FAZ-D20/3-RT
Eaton FAZ-D20/3-RT Circuit Breaker 3 Pole 20A 415V 480Y/277VAC 50/60Hz DIN Rail
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$10.89
Circuit Breakers & Accessories
833 listings · 821 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
Allen-Bradley
140M-C2E-B63
Allen-Bradley 140M-C2E-B63 Motor Protector Circuit Breaker 4.0-6.3A 690V Ser B
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$21.89
Allen-Bradley
1492-CB1
Allen-Bradley 1492-CB1 H020 Manual Motor Controller Circuit Breaker 1 Pole LOT
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$29.99
ITE
P215
Bulldog Electric Pushmatic P215 Circuit Breaker 15A 2 Pole 120/240VAC ITE Gould
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$15.89
Siemens
B120H
Siemens B120H Circuit Breaker 20A 1 Pole 120/240V Bolt On 22kAIC Type BLH HACR
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$18.89
Cutler-Hammer
XO215
Cutler-Hammer XO215 Circuit Breaker 15A 2 Pole 120/240V Type XO Square D Unit
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$34.89
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
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
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
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$103.89 / lot of 5
Cutler-Hammer
CH140
Eaton Cutler Hammer CH140 Circuit Breaker 40A 1-Pole 120/240VAC Type CH Plug-On
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$8.89
Cutler-Hammer
CL140
Eaton Cutler Hammer CL140 Circuit Breaker 40A 1-Pole 120/240V HACR Classified
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$12.89
Cutler-Hammer
CHB215
Eaton Cutler Hammer CHB215 Bolt-On Circuit Breaker 15A 2-Pole 120/240V Type CHB
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$22.89
General Electric
THQP140
GE THQP140 Thin Circuit Breaker 40A 1-Pole 120/240V 10kA Plug In Panel Mount
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$8.89
Cutler-Hammer
CHB220
Eaton Cutler Hammer CHB220 Bolt-On Circuit Breaker 20A 2-Pole 120/240V Type CHB
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$34.89
Cutler-Hammer
CHB230
Cutler Hammer CHB230 Circuit Breaker 2 Pole 30A 120/240VAC Bolt On Class CTL
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$148.89
Cutler-Hammer
CHB330
Cutler Hammer CHB330 3 Pole 30 Amp 240V Bolt On Circuit Breaker Type CHB CTL
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$34.89
General Electric
193E120G1
General Electric 193E120G1 TQD32150 Circuit Breaker 150A 3 Pole 240VAC Type TQD
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$95.89
Westinghouse
QBH1030
Westinghouse QBH1030 QuickLag Circuit Breaker 30A 1 Pole 120/240V Bolt On 40C
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$25.89
Westinghouse
QBH2100
Westinghouse QBH2100 QuickLag B Circuit Breaker 2 Pole 100A 120/240V Bolt On
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$199.99
Cutler-Hammer
10KAIC
Cutler-Hammer QuickLag Circuit Breaker 2 Pole 40A 120/240VAC 10kAIC Bolt On
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$15.00
Siemens
FG0491-6078
Siemens FG0491-6078 Rotary Operating Handle Mechanism Breaker Disconnect Part
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$99.89
E-t-a
45-700-IG1-S10-DD
E-T-A 45-700-IG1-S10-DD Thermal Circuit Breaker 15A 250VAC 28VDC Push Button
Only 1 left
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$22.89
Cutler-Hammer
BA115
Cutler-Hammer BA115 Quicklag Circuit Breaker 15A 1-Pole 120/240VAC 10kAIC HACR
In stock
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$8.89
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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.