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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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CGD-1C01
CGD-1C01
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CGD-1C02
CGD-1C02
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CGD-1C06
CGD-1C06
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CGD-1C16
CGD-1C16
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CGD-1C20
CGD-1C20
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Lewden
CGD-2D04
CGD-2D04
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Lewden
CGD-3C06
CGD-3C06
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Lewden
CGD-3C10
CGD-3C10
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Lewden
CGD-3C20
CGD-3C20
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Lewden
CGD-3C32
CGD-3C32
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Lewden
CGD-3D16
CGD-3D16
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Lewden
E10-3C16
E10-3C16
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Lewden
G06-1B40
G06-1B40
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Lewden
LEB-1C01
LEB-1C01
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Lewden
LEB-1C02
LEB-1C02
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Lewden
LEB-1C04
LEB-1C04
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Lewden
LEB-1C10
LEB-1C10
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Lewden
LEB-1C20
LEB-1C20
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Lewden
LEB-1C32
LEB-1C32
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Lewden
LEB-2D04
LEB-2D04
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Lewden
LEB-D6
LEB-D6
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Lewden
LEBB10
LEBB10
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Lewden
RCBO-20/30/SP
RCBO-20/30/SP
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Lewden
CDB2-1C100
CDB2-1C100
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Lewden
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.