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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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3RH21312KB40
3RH21312KB40
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3RH21401BE40
3RH21401BE40
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3RH22711BB40
3RH22711BB40
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3RK11051BE043CA0
3RK11051BE043CA0
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3RK1901-1TR00
3RK1901-1TR00
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$108.07
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3RK1908-1DA00-2BP0
3RK1908-1DA00-2BP0
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$68.69
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3RK1908-1EA00-1BP0
3RK1908-1EA00-1BP0
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3RQ3038-1AB01
3RQ3038-1AB01
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3RQ3050-1SM50
3RQ3050-1SM50
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3RQ3118-1AF00
3RQ3118-1AF00
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3RT19561CB00
3RT19561CB00
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$73.64
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3RT19564EA2
3RT19564EA2
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$38.39
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3RT29161JJ00
3RT29161JJ00
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3RT29161PA1
3RT29161PA1
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$60.16
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3RT2926-1BB00-ZX90
3RT2926-1BB00-ZX90
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3RT2946-4EA2
3RT2946-4EA2
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$32.59
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3RV19755GA0
3RV19755GA0
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3SB5285-6HG01
3SB5285-6HG01
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$0.82
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3SE5232-0LU22
3SE5232-0LU22
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$100.34
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3SU18530AA000AB1
3SU18530AA000AB1
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$85.33
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3SX03KL355
3SX03KL355
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3TB-40-17-0A
3TB-40-17-0A
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3TG2120
3TG2120
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3TH42440AC2
3TH42440AC2
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$351.27
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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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