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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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Part Number
PRICE
Manufacturer
Amperage
Poles
KD3350VW
KD3350VW
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Eaton
350
3
KD3400C
KD3400C
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Cutler Hammer
400
3
KD3400T106W
KD3400T106W
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Westinghouse
400
3
KD3400T107W
KD3400T107W
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Westinghouse
400
3
KD3400T52W
KD3400T52W
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Eaton
400
3
KD3400T52WPN
KD3400T52WPN
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Westinghouse
400
3
KD3400T52WZG
KD3400T52WZG
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Westinghouse
400
3
KD3400T52WZGP
KD3400T52WZGP
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Eaton
400
3
KD3400T56W
KD3400T56W
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Westinghouse
400
3
KD3400T56WPN
KD3400T56WPN
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Eaton
400
3
KD3400T56WZG
KD3400T56WZG
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Westinghouse
400
3
KD3400T57WPN
KD3400T57WPN
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Cutler Hammer
400
3
KD3400T57WZG
KD3400T57WZG
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Westinghouse
400
3
KD3400T57WZGP
KD3400T57WZGP
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Cutler Hammer
400
3
KD3400VC
KD3400VC
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Eaton
400
3
KD3400VW
KD3400VW
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Westinghouse
400
3
KD4400
KD4400
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Cutler Hammer
400
4
KD4400F
KD4400F
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Westinghouse
400
4
KD4400V
KD4400V
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Eaton
400
4
KDB3125FT32W
KDB3125FT32W
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Eaton
125
3
KDB3125FT33W
KDB3125FT33W
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Westinghouse
125
3
KDB3125FT35W
KDB3125FT35W
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Eaton
125
3
KDB3125FT36W
KDB3125FT36W
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Cutler Hammer
125
3
KDB3175V
KDB3175V
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Westinghouse
175
3
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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