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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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BZW50-33B
BZW50-33B
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ST Micro
SM6T15CA
SM6T15CA
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$0.57
ST Micro
SM6T33A
SM6T33A
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$0.54
ST Micro
SMAJ33A-TR
SMAJ33A-TR
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ST Micro
SMBJ12A-TR
SMBJ12A-TR
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$0.37
ST Micro
SMBJ15CA-TR
SMBJ15CA-TR
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$0.50
ST Micro
SMBJ18CA-TR
SMBJ18CA-TR
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$0.44
ST Micro
SMBJ30A-TR
SMBJ30A-TR
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$0.23
ST Micro
SMBJ30CA-TR
SMBJ30CA-TR
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$0.69
ST Micro
ESDA12-1K
ESDA12-1K
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$0.49
ST Micro
SM6T27A
SM6T27A
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ST Micro
SMAJ30A-TR
SMAJ30A-TR
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$0.59
ST Micro
SMBJ16A-TR
SMBJ16A-TR
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$0.37
ST Micro
SMBJ22A-TR
SMBJ22A-TR
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ST Micro
SMBJ33A-TR
SMBJ33A-TR
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ST Micro
SMBJ5.0A-TR
SMBJ5.0A-TR
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ST Micro
BZW5033
BZW5033
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ST Micro
SM6T22AY
SM6T22AY
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ST Micro
SM6T30CA
SM6T30CA
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$1.05
ST Micro
SM6T39AY
SM6T39AY
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ST Micro
SMBJ22CA-TR
SMBJ22CA-TR
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ST Micro
SMBJ24A-TR
SMBJ24A-TR
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ST Micro
VN330SPTR-E
VN330SPTR-E
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ST Micro
SM15T7V5CAY
SM15T7V5CAY
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ST Micro
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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