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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
HED42B110	In Stock From $772^.97	Siemens	110	480
HED42B110L	In Stock From $649^.08	Siemens	110	480
HED42B125	In Stock From $347^.23	Siemens	125	480
HED42B125L	In Stock From $569^.22	Siemens	110	480
HED43B025L	In Stock From $424^.90	Siemens	25	480
HED43B035	In Stock From $335^.99	Siemens	45	480
LGB3B045	In Stock From $369^.36	Siemens	45	480
NGG3B025L	In Stock From $509^.83	Siemens	25	600
NGG3B050	In Stock From $110^.13	Siemens	50	600
NGG3B090	Limited Stock From Get Price	Siemens	90	600
NGG3B110	In Stock From $2,808^.19	Siemens	110	600
NXD62B100	In Stock From $3,454^.10	Siemens	1000	600
NXD62B120	In Stock From $1,441^.52	Siemens	1200	600
QJ3H225	In Stock From $372^.24	Siemens	225	240
QJH22B060	In Stock From $467^.50	Siemens	60	240
QJH22B070	In Stock From $262^.61	Siemens	70	240
QJH22B080	In Stock From $672^.95	Siemens	80	240
QJH22B110	In Stock From $258^.65	Siemens	110	240
QJH23B070	In Stock From $577^.01	Siemens	70	240
3VA5222-6EC31-0AA0	In Stock From $971^.93	Siemens	225	600
3VA6140-6HL31-0AA0	In Stock From $898^.42	Siemens	40	600
3VA6340-6HN31-0AA0	In Stock From $2,645^.99	Siemens	400	600
BQ1B01500S01	In Stock From $118^.31	Siemens	15	120
BQ1B015L	In Stock From $66^.81	Siemens	15	120

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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.