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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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SEE116C03
SEE116C03
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Schneider Electric
SEL404
SEL404
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Allen West
SG103BA
SG103BA
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Fuji Electric
SG203C/225-CO-CE
SG203C/225-CO-CE
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Fuji Electric
SG403CUL-400
SG403CUL-400
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Fuji Electric
SG53RCUL40
SG53RCUL40
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Fuji Electric
SGDA32-400
SGDA32-400
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General Electric
SH201T-C40
SH201T-C40
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ABB
SN201LC10
SN201LC10
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ABB
SPCL2C50
SPCL2C50
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Eaton
SPCL3C50
SPCL3C50
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Eaton
SQDQ0315
SQDQ0315
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Schneider Electric
SQO120EB6
SQO120EB6
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Schneider Electric
SQO132EC6
SQO132EC6
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Schneider Electric
SQOR132B03
SQOR132B03
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Schneider Electric
SU1C10AC
SU1C10AC
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Weidmuller
SU1C10UC
SU1C10UC
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Weidmuller
SU201PR-K10
SU201PR-K10
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ABB
T0-225CA
T0-225CA
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Terasaki Electric
T1-N-032-T-W
T1-N-032-T-W
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ABB
T1-N-063-T-W
T1-N-063-T-W
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ABB
T1-N-080-T-W
T1-N-080-T-W
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ABB
T11-818-12A
T11-818-12A
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Schurter
T161CR
T161CR
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Delta Group Electronics
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.