Moeller
AZG-20A
Klockner Moeller AZG-20A Circuit Breaker 440VAC Industrial Control Panel Part
In stock
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$18.89
Circuit Breakers & Accessories
921 listings · 813 in stock
921 circuit breakers & accessories listings from the brands you use, each one photographed. Free shipping to all 50 US states.
Weekly new-arrivals email for Circuit Breakers & Accessories
Siemens
GLK2
Siemens GLK2 ITE 30-60A 600VAC Ground Lug Kit Industrial Electrical Breaker OEM
In stock
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$18.89
Allen-Bradley
1489-A3C050
Allen-Bradley 1489-A3C050 Ser A Circuit Breaker 3-Pole 5A 480V/277V Type C OEM
Only 1 left
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$26.89
Allen-Bradley
1492-CB2G050
Allen-Bradley 1492-CB2G050 Series B Circuit Breaker 5A 2-Pole 480V Manual Motor
Only 1 left
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$12.89
Siemens
3VF2213-0FR41-0AA0
Siemens 3VF2213-0FR41-0AA0 Circuit Breaker 90A 3P 240-415V VF100 DIN Rail Mount
In stock
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$28.89
Square D
24544
Square D Merlin Gerin 24544 Multi 9 C60 D40 40A 3-Pole 480Y/277V Circuit Breaker
Only 1 left
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$52.89
Airpax
IEGM066-28281-1
Airpax IEGM066-28281-1 Circuit Breaker 277VAC Single Phase 3 Pole Industrial OEM
Only 2 left
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$91.89
Heinemann
CF3-Z320-1
Heinemann Electric CF3-Z320-1 Circuit Breaker 75A 240V 50/60Hz 3 Pole Panel
Only 2 left
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$209.89
Eaton
WMZT2C03
Eaton WMZT2C03 Circuit Breaker 3A 2 Pole 480V 277V C Curve 10KA Miniature
In stock
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$13.89
Allen-Bradley
1492-GS2G050
Allen Bradley 1492-GS2G050 Circuit Breaker 5A 2-Pole 277/480VAC 65VDC Industrial
In stock
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$13.89
Siemens
Siemens SG 16A S Circuit Breaker 250VDC 380VAC I
Siemens SG 16A S Circuit Breaker 250VDC 380VAC Industrial Electrical OEM Switch
Only 1 left
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$12.89
Siemens
3VE1000-2D
Siemens 3VE1000-2D Motor Starter Protector 0.25-0.4A Industrial Automation OEM
Only 1 left
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$48.89
ABB
296A338-02
ABB 296A338-02 Power Circuit Breaker Component Parts Set of 6 Industrial OEM
Only 3 left
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$97.89
Westinghouse
200-B-570-G01
Westinghouse 200-B-570-G01 Moving Breaker Contact Industrial Replacement OEM
Only 3 left
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$35.89
Allen-Bradley
140-L3
Allen Bradley 140-L3 Spare Position Shroud Bulletin 140 Series C 1 Per Order
In stock
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$16.89
Merlin Gerin
NFNL36060
Merlin Gerin NFNL36060 Compact NS 3P 60A 600V Circuit Breaker Schneider Electric
Only 4 left
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$1,272.89
Airpax
UPL1-1REC4-52-303
Airpax UPL1-1REC4-52-303 DC Circuit Breaker 30A 65V Magnetic Protector Industria
Only 2 left
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$13.89
Carling
BA3-X0-02-263-211-D
Carling BA3-X0-02-263-211-D Hydraulic Magnetic Circuit Breaker 250V 50/60 Hz OEM
Only 1 left
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$37.89
Siemens
3VL9650-4TG31
Siemens 3VL9650-4TG31 Circuit Breaker Lug Kit 3TA3MG500 AWG 1/0-500 MCM
Only 1 left
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$102.89
Cutler-Hammer
FDB3100LS22
Cutler Hammer FDB3100LS22 Circuit Breaker 100A 600V 3 Pole Thermal Magnetic
Only 1 left
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$978.89
Siemens
3VU1300-1MC00
Siemens 3VU1300-1MC00 Motor Starter Protector Circuit Breaker 0.16-0.24A OEM
Only 1 left
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$27.89
Out of stock: we can often source these. Request a quote.
Eaton
GHQ2015
Eaton GHQ2015 Bolt-On Circuit Breaker 2 Pole 15A 480Y/277V 14,000A HACR SWD
Out of stock
Sourcing on request
Notify me when Eaton GHQ2015 is back
Eaton
BR120
Eaton BR120 Plug-On Circuit Breaker 1 Pole 20A 120/240VAC 10kA 14-4 AWG Cu/Al
Out of stock
Sourcing on request
Notify me when Eaton BR120 is back
Allen-Bradley
140M-F8E-C32
Allen-Bradley 140M-F8E-C32 Ser C Motor Protection Circuit Breaker 3P 23-32A 690V
Out of stock
Sourcing on request
Notify me when Allen-Bradley 140M-F8E-C32 is backGet a quote on Circuit Breakers & Accessories
Need more units than we list, a part you don't see here, or prices for a whole list? Send us the part numbers and quantities and we reply within 1 hour during business hours (Mon to Fri 9 to 4:30 CT).
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.