Siemens
411137B00
Siemens Type CQD 411137B00 60947-2 AC-50/60HZ 240-380V
In stock
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$44.99
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
Westinghouse
HMCP100R3C
Westinghouse Series C Motor Circuit Protector HMCP100R3C 600VAC 250VDC 100AMPS
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$36.99
Westinghouse
HMCP007C0C
Westinghouse Series C Motor Circuit Protector HMCP007C0C 7AMPS 3POLE 600VAC 250V
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$26.99
General Electric
TEB122025
General Electric TEB122025 240VAC 25A 250VDC 10000AMP
Only 1 left
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$25.99
Westinghouse
HFD3015V
Westinghouse Series C Industrial Breaker HFD3015V 3POLE 600VAC
Only 1 left
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$65.99
Westinghouse
MCP431800CR
Westinghouse Motor Circuit Protector MCP431800CR 600VAC 3POLE 150AMP
Only 1 left
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$48.99
General Electric
SELA36A10007
GE MAG Breaker Circuit Breaker SELA36A10007 600VAC 7 Amp 3POL3
Only 1 left
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$58.99
General Electric
TJK435F000
GE Industrial Circuit Breaker Frame TJK435F000 400AMP 600VAC 500VDC 3POLE
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$289.99
General Electric
TJK436F000
General Electric TJK436F000 125-400A 240-600V Circuit Breker Frame
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$174.99
Cutler-Hammer
HMCP007CDC
Cutler-Hammer Westinghouse Series C Motor Circuit Protector HMCP007CDC 7AMPS
Only 1 left
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$20.00
General Electric
TEB122025
GE Industrial Circuit Breaker TEB122025 TCAL14 25AMP 240VAC 2 Pole
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$34.99
General Electric
GE Spectra RMS Circuit Breaker 100AMP 600VAC 3PO
GE Spectra RMS Circuit Breaker 100AMP 600VAC 3POLE
Only 1 left
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$179.99
General Electric
SELA6AT0060
GE Spectra RMS Current Limiting Circuit Breaker SELA6AT0060 600VAC 3POLE
Only 1 left
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$91.99
Cutler-Hammer
HMCP150T4C
Cutler-Hammer Hmcp Series C 150AMPS 3POLES HMCP150T4C Motor Circuit Protector
Only 1 left
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$169.99
Siemens
4AV2600-2AB
Siemens 15A 4AV2600-2AB 230-400V 3VU1300-0NJ00
Only 1 left
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$294.99
AutomationDirect
AM1-AP-5H
Automation Direct AM1-AP-5H 6MM Wiring
Only 3 left
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$34.99
Moeller
FAZ-D3/2-RT
FAZ-D3/2-RT Moeller Circuit Breaker 250VAC 5VDC
Only 1 left
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$11.00
Siemens
3RV1011-0JA10
Siemens 3RV1011-0JA10 0.7-1.0A Circuit Breaker Sirius 3A
Only 1 left
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$23.99
Omron
NT2S-SF122B-EV1
Omron NT2S-SF122B-EV1 Interactive Display 0491RI COM Part
Only 1 left
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$419.99
Telemecanique
GV1-G04
Telemecanique GV1-G04 63A 600V 6.14AWG
In stock
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$11.00
General Electric
TED134015
General Electric TED134015 240-480VAC 14000-18000AMP
Only 2 left
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$29.99
Omron
NT2S-SF122B-EV2
Omron NT2S-SF122B-EV2 Interactive Display COM Port 2286RI
Only 2 left
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$599.99
Omron
NT2S-SF122B-EV2
Omron NT2S-SF122B-EV2 Interactive Display 2286RI COM Port
Only 2 left
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$599.99
Siemens
3VU1300-1MJ00
Siemens 3VU1300-1MJ00 0660VDE 50/60HZ 40-48A 415-690V 2-100KA
In stock
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$16.00
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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.