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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
MA3150V
MA3150V
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Westinghouse
150
3
MA3175SV
MA3175SV
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Westinghouse
175
3
MA3175V
MA3175V
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Westinghouse
175
3
MA3200E
MA3200E
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Westinghouse
200
3
MA3200SV
MA3200SV
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Westinghouse
200
3
MA3200V
MA3200V
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Westinghouse
200
3
MA3225E
MA3225E
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Westinghouse
225
3
MA3225SV
MA3225SV
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Westinghouse
225
3
MA3225V
MA3225V
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Westinghouse
225
3
MA3250E
MA3250E
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Westinghouse
250
3
MA3250SV
MA3250SV
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Westinghouse
250
3
MA3250V
MA3250V
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Westinghouse
250
3
MA3300E
MA3300E
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Westinghouse
300
3
MA3300SV
MA3300SV
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Westinghouse
300
3
MA3300V
MA3300V
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Westinghouse
300
3
MA3350SV
MA3350SV
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Westinghouse
350
3
MA3350V
MA3350V
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Westinghouse
350
3
MA3400E
MA3400E
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Westinghouse
400
3
MA3400SV
MA3400SV
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Westinghouse
400
3
MA3400V
MA3400V
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Westinghouse
400
3
MA3450SV
MA3450SV
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Westinghouse
450
3
MA3450V
MA3450V
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Westinghouse
450
3
MA3500SV
MA3500SV
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Westinghouse
500
3
MA3500V
MA3500V
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Westinghouse
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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