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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
QJ23B15000S07	Limited Stock From Get Price	Siemens	150	240
B310000S07	Limited Stock From Get Price	Siemens	100	240
B3100H00S07	Limited Stock From Get Price	Siemens	100	240
B3100HH00S07	Limited Stock From Get Price	Siemens	100	240
LGB3B090	Limited Stock From Get Price	Siemens	90	480
BF250	Limited Stock From Get Price	Siemens	50	240
3VL1704-2DD33-0AA0	Limited Stock From Get Price	Siemens	40	690
3VL1716-1DA36-0AA0	Limited Stock From Get Price	Siemens	160	690
3VL1716-2DD33-0AA0	Limited Stock From Get Price	Siemens	160	690
3VL2716-1DC33-0AA0	Limited Stock From Get Price	Siemens	160	690
5SJ4116-8HG41	Limited Stock From Get Price	Siemens	16	240
5SJ4145-8HG40	Limited Stock From Get Price	Siemens	45	240
5SJ4230-8HG41	Limited Stock From Get Price	Siemens	30	240
5SY5206-7	Limited Stock From Get Price	Siemens	6	400
B170HH	Limited Stock From Get Price	Siemens	70	240
B360Y	Limited Stock From Get Price	Siemens	60	240
BQ2B020QX	Limited Stock From Get Price	Siemens	20	240
BQ2B040QX	Limited Stock From Get Price	Siemens	40	240
HDK3B100L	Limited Stock From Get Price	Siemens	100	600
HEM3M015L	Limited Stock From Get Price	Siemens	15	480
HGB1B025B	Limited Stock From Get Price	Siemens	25	347
HGB1B035B	Limited Stock From Get Price	Siemens	35	347
HJG3F400	Limited Stock From Get Price	Siemens	400	600
HMG3F800	Limited Stock From Get Price	Siemens	800	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.