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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
371D426G32	In Stock From $1,536^.70	Westinghouse	400	600
371D426G33	In Stock From $1,536^.70	Westinghouse	400	600
371D426G35	In Stock From $1,536^.70	Westinghouse	400	600
371D426G36	In Stock From $1,536^.70	Westinghouse	400	600
371D426G37	In Stock From $1,536^.70	Westinghouse	400	600
371D426G38	In Stock From $1,536^.70	Westinghouse	400	600
371D957G50	In Stock From $499^.28	Westinghouse	150	600
371D957G66	In Stock From Get Price	Westinghouse	225	600
371D957G67	In Stock From Get Price	Westinghouse	225	600
371D957G68	In Stock From Get Price	Westinghouse	225	600
371D957G69	In Stock From Get Price	Westinghouse	225	600
371D957G70	In Stock From Get Price	Westinghouse	225	600
371D957G73	In Stock From Get Price	Westinghouse	225	600
371D957G74	In Stock From Get Price	Westinghouse	225	600
371D957G75	In Stock From Get Price	Westinghouse	225	600
371D957G76	In Stock From $557^.50	Westinghouse	175	600
371D957G77	In Stock From Get Price	Westinghouse	225	600
373B237G01	In Stock From $527^.42	Westinghouse	400	600
373B237G02	In Stock From $923^.91	Cutler Hammer	400	600
3VA4110-6ED14-0AA0	In Stock From $633^.71	Siemens	125	-
3VA4111-6ED34-0AA0	In Stock From $585^.14	Siemens	125	-
3VA4112-4ED34-0AA0	In Stock From $777^.17	Siemens	125	-
3VA4112-6ED34-0AA0	In Stock From $914^.40	Siemens	125	-
3VA4120-4ED14-0AA0	In Stock From $85^.71	Siemens	125	-

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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.