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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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3RH1140-1AV00
3RH1140-1AV00
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$27.92
Siemens
3RH1140-1BD40
3RH1140-1BD40
Limited Stock
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3RH1422-1BG40
3RH1422-1BG40
In Stock
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$147.46
Siemens
3RH1440-1BF40
3RH1440-1BF40
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$122.82
Siemens
3RH1440-1BM40
3RH1440-1BM40
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Siemens
3RH1921-1XA22-0MA0
3RH1921-1XA22-0MA0
In Stock
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$61.75
Siemens
3RH19211KA02
3RH19211KA02
In Stock
From
$30.82
Siemens
3RH2122-2KB40
3RH2122-2KB40
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$55.37
Siemens
3RH21221BA40
3RH21221BA40
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Siemens
3RH21222AK60
3RH21222AK60
In Stock
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$79.80
Siemens
3RH2131-1AP60
3RH2131-1AP60
In Stock
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$64.64
Siemens
3RH2131-1AV60
3RH2131-1AV60
In Stock
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$44.34
Siemens
3RH2131-1BE80
3RH2131-1BE80
In Stock
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$93.93
Siemens
3RH21311BW40
3RH21311BW40
In Stock
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$73.53
Siemens
3RH2140-2JB40
3RH2140-2JB40
In Stock
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$43.75
Siemens
3RH21401BA40
3RH21401BA40
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Siemens
3RH21401BN40
3RH21401BN40
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Siemens
3RH21402FB40
3RH21402FB40
In Stock
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$112.11
Siemens
3RH2262-2BB40
3RH2262-2BB40
In Stock
From
$201.58
Siemens
3RH2371-2FB40
3RH2371-2FB40
In Stock
From
$122.97
Siemens
3RH2440-1BB40
3RH2440-1BB40
In Stock
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$213.32
Siemens
3RN1012-1CK00
3RN1012-1CK00
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Siemens
3RQ3018-1AB00
3RQ3018-1AB00
In Stock
From
$79.30
Siemens
3RT29261MR00
3RT29261MR00
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Siemens
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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