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Circuit Breaker

For power distribution and electrical protection systems, circuit breakers are among the most critical components for safeguarding equipment, personnel, and facilities from electrical overloads and short circuits. Circuit breakers automatically interrupt electrical current flow when abnormal conditions are detected, protecting circuits from damage while allowing manual reset and continued operation. Electrical.com carries an extensive selection of circuit breakers from all major manufacturers, including new, used, surplus, and re-certified options. These components are designed to meet the diverse needs of commercial buildings, manufacturing facilities, data centers, and industrial power distribution applications.
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421-125ML
421-125ML
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Mg Chemicals
422013-AA
422013-AA
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Reliance
4220307
4220307
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Altech Corp
4220348
4220348
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Altech Corp
4220354
4220354
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Altech Corp
4220616
4220616
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Altech Corp
4220716
4220716
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Altech Corp
422284-000
422284-000
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TE Connectivity
4226
4226
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Pomona Electronics
422JN
422JN
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EBM Papst
4231-T110-K0F2H-2A
4231-T110-K0F2H-2A
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Eta Engineering Technology
4232.3
4232.3
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Conta Clip
424858-000
424858-000
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TE Connectivity
424JMU
424JMU
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EBM Papst
425XBX-110-125VDC
425XBX-110-125VDC
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Struthers-Dunn
4264135
4264135
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Altech Corp
4266-003
4266-003
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Altech Corp
4266-005
4266-005
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Altech Corp
4266-011
4266-011
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Altech Corp
4266-013
4266-013
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Altech Corp
4266-015
4266-015
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Altech Corp
42M2CD024
42M2CD024
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Danaher Controls
42R02-3212-150-D3
42R02-3212-150-D3
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Power Dynamics
42TB02F
42TB02F
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Marathon Special Products
Popular Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit protection equipment available for immediate shipment. From residential to industrial applications, across all voltage and amperage ratings, we have what you need when others say no. Our comprehensive circuit breaker inventory spans all voltage classes, amperage ratings, and pole configurations from all major manufacturers including current production and discontinued models from legacy suppliers. Available in new factory condition, surplus stock, and re-certified options‚ All backed by our standard 2-year Electrical.com warranty. Our circuit breakers serve critical applications across manufacturing facilities, commercial buildings, data centers, healthcare facilities, utilities and power generation, industrial plants, residential construction, telecommunications infrastructure, and process control installations.


Whether you're maintaining legacy equipment with obsolete circuit breaker models or sourcing current production components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime and keep your operations running. Need circuit breakers now? Call 877-999-7077 or email [email protected]. With same-day shipping available and the right parts ready to ship from our nearest warehouse location, Electrical.com gets your operations back online fast. We can say yes when others have to say no.

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