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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
21FA105CH
21FA105CH
In Stock
From
$35.05
Hardware Resource Company
21FA201W
21FA201W
In Stock
From
$26.51
Hardware Resource Company
21FA202W
21FA202W
In Stock
From
$32.40
Hardware Resource Company
21FA203W
21FA203W
In Stock
From
$41.24
Hardware Resource Company
21FA113CH
21FA113CH
In Stock
From
$98.87
Hardware Resource Company
21FD70135
21FD70135
In Stock
From
$14.72
Hardware Resource Company
21FD70140
21FD70140
In Stock
From
$14.72
Hardware Resource Company
21FD70145
21FD70145
In Stock
From
$24.51
Hardware Resource Company
21FD70235
21FD70235
In Stock
From
$19.15
Hardware Resource Company
21FD70240
21FD70240
In Stock
From
$19.15
Hardware Resource Company
21FD70245
21FD70245
In Stock
From
$33.62
Hardware Resource Company
21FD70335
21FD70335
In Stock
From
$23.56
Hardware Resource Company
21FD70345
21FD70345
In Stock
From
$34.43
Hardware Resource Company
21FD70435
21FD70435
In Stock
From
$26.51
Hardware Resource Company
21FD70440
21FD70440
In Stock
From
$26.51
Hardware Resource Company
21FD70445
21FD70445
In Stock
From
$44.44
Hardware Resource Company
21FD70535
21FD70535
In Stock
From
$29.45
Hardware Resource Company
21FD70540
21FD70540
In Stock
From
$29.45
Hardware Resource Company
21FD70545
21FD70545
In Stock
From
$51.40
Hardware Resource Company
21P141FDPB
21P141FDPB
In Stock
From
$231.07
Hardware Resource Company
21P181FDPS
21P181FDPS
In Stock
From
$603.34
Hardware Resource Company
21-161KD1
21-161KD1
Limited Stock
From
Get Price
Hardware Resource Company
21-161KD4
21-161KD4
Limited Stock
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Hardware Resource Company
21-16FKD1
21-16FKD1
Limited Stock
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Hardware Resource Company
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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