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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
HJA36040AEBKSNYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKSP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKSPYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKSR	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKSRYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKSV	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKSVYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUA	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUAYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUD	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUDYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUH	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUHYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUJ	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUJYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUK	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUKYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUN	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUNYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUO	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUOYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUPYP	In Stock From $1,461^.55	Square D	40	3
HJA36040AEBKUR	In Stock From $1,461^.55	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