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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
Q37001	Limited Stock From Get Price	Siemens	70	240
Q38000S07	Limited Stock From Get Price	Siemens	80	240
Q380HH	Limited Stock From Get Price	Siemens	80	240
Q390H00S01	Limited Stock From Get Price	Siemens	90	240
Q390HH	Limited Stock From Get Price	Siemens	90	240
QG215	Limited Stock From Get Price	Siemens	15	240
QPJ3125	Limited Stock From Get Price	Siemens	125	240
QPJ3125SAL	Limited Stock From Get Price	Siemens	125	240
QPJ3150SAL	Limited Stock From Get Price	Siemens	150	240
QPJ3200SAL	Limited Stock From Get Price	Siemens	200	240
QS2125HH	Limited Stock From Get Price	Siemens	125	240
QSH2100	Limited Stock From Get Price	Siemens	100	240
QSH2125	Limited Stock From Get Price	Siemens	125	240
QSH2150	Limited Stock From Get Price	Siemens	150	240
QSH2175	Limited Stock From Get Price	Siemens	175	240
QSH2200	Limited Stock From Get Price	Siemens	200	240
QSH2225	Limited Stock From Get Price	Siemens	225	240
SHJD6B400LSI	Limited Stock From Get Price	Siemens	400	600
SHKF3B120G	Limited Stock From Get Price	Siemens	120	600
SHKF3B800	Limited Stock From Get Price	Siemens	800	600
SHLD6B300LSI	Limited Stock From Get Price	Siemens	300	600
SHLD6B400LSIG	Limited Stock From Get Price	Siemens	400	600
SHLD6B500LSI	Limited Stock From Get Price	Siemens	500	600
SHP3B120G	Limited Stock From Get Price	Siemens	1200	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.