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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

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Molded Case Circuit Breaker

For circuit breaker systems in commercial and industrial facilities, molded case circuit breakers are among the most widely used components for reliable overcurrent protection and electrical distribution. Molded case circuit breakers provide automatic circuit interruption during overload or short circuit conditions, protecting electrical systems and equipment from damage while enabling manual switching control. Electrical.com carries an extensive selection of molded case 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	Voltage
GI3015D	In Stock From $375^.00	Eaton	15	480
GI3050	In Stock From $238^.96	Eaton	50	480
GJL36003M01	In Stock From $435^.00	Square D	3	600
GJL36015	In Stock From $1,137^.77	Square D	15	600
GJL36015M03	In Stock From $529^.12	Square D	15	600
GJL36030	In Stock From $612^.67	Square D	30	600
GJL36040	In Stock From $907^.21	Square D	40	600
GJL36050	In Stock From $701^.52	Square D	50	600
GJL36060	In Stock From Get Price	Square D	60	600
GJL36070	In Stock From $967^.09	Square D	70	600
GJL36075M06	In Stock From $975^.12	Square D	75	600
GJL36100	In Stock From $1,418^.75	Square D	100	600
GQ1020	In Stock From $29^.81	Cutler Hammer	20	277
HAGF15	In Stock From $36^.45	Challenger	15	120
HAGF20	In Stock From $8^.74	Challenger	20	120
HC2100	In Stock From $3^.83	Challenger	100	240
HE43B040	In Stock From $109^.19	Siemens	40	480
HE43B100	In Stock From $133^.37	Siemens	100	480
HEF631100	In Stock From $648^.37	Federal Pacific	100	600
HF2035	In Stock From $697^.26	Cutler Hammer	35	600
HF631030	In Stock From $442^.30	Federal Pacific	30	600
HF631100	In Stock From $471^.23	Federal Pacific	100	600
HFA2150	In Stock From $709^.08	Westinghouse	150	600
HFA3020	In Stock From $107^.06	Westinghouse	20	600

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Popular Molded Case Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of molded case circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified MCCBs available for immediate shipment. From standard thermal-magnetic breakers to electronic trip units across all amperage ratings, we have what you need when others say no. Our comprehensive molded case circuit breaker inventory spans all voltage and current ratings, frame sizes, and interrupting capacities 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 molded case circuit breakers serve critical applications across commercial buildings, industrial facilities, manufacturing plants, data centers, healthcare facilities, distribution panels, motor control centers, switchboards, and power distribution systems.

Whether you're maintaining legacy equipment with obsolete MCCB models or sourcing current production breakers for new installations and retrofits, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime. Need molded case 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.