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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
LRS46400U44X	Limited Stock From Get Price	Square D	400	600
LRS46400U53X	Limited Stock From Get Price	Schneider Electric	400	600
LRS46400U54X	Limited Stock From Get Price	Square D	400	600
LRS46600U31X	Limited Stock From Get Price	Schneider Electric	600	600
LRS46600U33X	Limited Stock From Get Price	Schneider Electric	600	600
LRS46600U43X	Limited Stock From Get Price	Square D	600	600
LRS46600U44X	Limited Stock From Get Price	Square D	600	600
LRS46600U53X	Limited Stock From Get Price	Square D	600	600
LRS46600U54X	Limited Stock From Get Price	Schneider Electric	600	600
LSB220250E	Limited Stock From Get Price	Thomas & Betts	250	240
LSB220450E	Limited Stock From Get Price	Thomas & Betts	450	240
LSB220500E	Limited Stock From Get Price	Thomas & Betts	500	240
LV429371	Limited Stock From Get Price	Schneider Electric	-	-
LV431836	Limited Stock From Get Price	Schneider Electric	63	690
LV432481	Limited Stock From Get Price	Schneider Electric	-	-
LV510333	Limited Stock From Get Price	Schneider Electric	100	8000
LV510562	Limited Stock From Get Price	Schneider Electric	100	8000
MCP22480CR	Limited Stock From Get Price	Cutler Hammer	-	-
MCY3800F	Limited Stock From Get Price	Westinghouse	800	240
MCYG3800F	Limited Stock From Get Price	Westinghouse	800	240
MCYGA3800F	Limited Stock From Get Price	Westinghouse	800	240
MD2150DC	Limited Stock From Get Price	Siemens	150	240
MD2150T	Limited Stock From Get Price	Murray Corporation	150	240
MD2175DC	Limited Stock From Get Price	Crouse-Hinds	175	240

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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.