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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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Manufacturer
CQO48M30DSGP
CQO48M30DSGP
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Schneider Electric
DP-4075-50A
DP-4075-50A
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Schneider Electric
DZ47-63-4P-C63A
DZ47-63-4P-C63A
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HUYU Electric
E2F3100U62
E2F3100U62
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Eaton
E82S-U32A
E82S-U32A
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Eec Aeg
E82S-U6A
E82S-U6A
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Eec Aeg
E83-C6
E83-C6
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Eec Aeg
EA103B BB3EEB-075
EA103B BB3EEB-075
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Fuji Electric
EA3-B0-24-620-12A-GB
EA3-B0-24-620-12A-GB
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Carling Technologies
ED63A010AFBF
ED63A010AFBF
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Siemens
EFPHNB
EFPHNB
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Eaton
EGE3060FFGF01
EGE3060FFGF01
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Eaton
EH100-3P-75A
EH100-3P-75A
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Toshiba
EHB3100-1082
EHB3100-1082
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Square D
EPC 62 C16
EPC 62 C16
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General Electric
EQB-3100
EQB-3100
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Siemens
EW250RAGU-3P175
EW250RAGU-3P175
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Fuji Electric
EW32AAG-3P010
EW32AAG-3P010
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Fuji Electric
EW50RAGU
EW50RAGU
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Fuji Electric
FAB-14015B
FAB-14015B
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Schneider Electric
FI-25/4/03-A
FI-25/4/03-A
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Eaton
FI-36040
FI-36040
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Schneider Electric
GB2DB20
GB2DB20
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Schneider Electric
GHG6222101R0131
GHG6222101R0131
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Eaton
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.