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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
HMCP400X5S42
HMCP400X5S42
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Westinghouse
400
3
HMCP400X5S43
HMCP400X5S43
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Westinghouse
400
3
HMCP400X5S44
HMCP400X5S44
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Cutler Hammer
400
3
HMCP400X5S45
HMCP400X5S45
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Westinghouse
400
3
HMCP400X5S46
HMCP400X5S46
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Westinghouse
400
3
HMCP400X5S47
HMCP400X5S47
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Eaton
400
3
HMCP400X5S48
HMCP400X5S48
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Westinghouse
400
3
HMCP400X5S85
HMCP400X5S85
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Eaton
400
3
HMCP400X5S86
HMCP400X5S86
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Eaton
400
3
HMCP400X5S87
HMCP400X5S87
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Westinghouse
400
3
HMCP400X5S88
HMCP400X5S88
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Westinghouse
400
3
HMCP400X5S89
HMCP400X5S89
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Eaton
400
3
HMCP400X5S90
HMCP400X5S90
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Westinghouse
400
3
HMDL3300V
HMDL3300V
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Westinghouse
300
3
HMDL3300VW
HMDL3300VW
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Eaton
300
3
HMDL3300W
HMDL3300W
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Eaton
300
3
HMDL3350V
HMDL3350V
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Eaton
350
3
HMDL3350VW
HMDL3350VW
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Cutler Hammer
350
3
HMDL3350W
HMDL3350W
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Cutler Hammer
350
3
HMDL3400W
HMDL3400W
Limited Stock
From
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Eaton
400
3
HMDL3450VW
HMDL3450VW
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From
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Cutler Hammer
450
3
HMDL3450W
HMDL3450W
Limited Stock
From
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Westinghouse
450
3
HMDL3500V
HMDL3500V
Limited Stock
From
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Eaton
500
3
HMDL3500W
HMDL3500W
Limited Stock
From
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Cutler Hammer
500
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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