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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
HDL36040CABBKSN	In Stock From $820^.78	Square D	40	3
HDL36040CABBKSNYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKSP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKSPYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKSR	In Stock From $729^.58	Square D	40	3
HDL36040CABBKSRYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKSV	In Stock From $729^.58	Square D	40	3
HDL36040CABBKSVYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUA	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUAYP	In Stock From $729^.58	Square D	40	3
HDL36040CABBKUD	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUDYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUH	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUHYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUJ	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUJYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUK	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUKYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUN	In Stock From $729^.58	Square D	40	3
HDL36040CABBKUNYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUO	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUOYP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUP	In Stock From $820^.78	Square D	40	3
HDL36040CABBKUPYP	In Stock From $820^.78	Square D	40	3

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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.

Learn More

The Basics of A Circuit Breaker

The Main Types Of Breaker Protections