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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
EB61NC16
EB61NC16
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General Electric
ED3100LB02
ED3100LB02
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Eaton
EFC3M015
EFC3M015
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Siemens
EG33B-5
EG33B-5
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Fuji Electric
EH100-3P-100A
EH100-3P-100A
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Toshiba
EH3-40201212
EH3-40201212
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Schneider Electric
EP101UCC05
EP101UCC05
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General Electric
EP61B06
EP61B06
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General Electric
EP61B10
EP61B10
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General Electric
EP61C02
EP61C02
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General Electric
EP63B32
EP63B32
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General Electric
EP63ULD06
EP63ULD06
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General Electric
EPC-611-C06
EPC-611-C06
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General Electric
ET4029
ET4029
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Siemens
EW125JAGU-3P100
EW125JAGU-3P100
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Fuji Electric
EW125JAGU-3P125B
EW125JAGU-3P125B
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Fuji Electric
EZML1225KIT
EZML1225KIT
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Schneider Electric
F162-G32/0.03
F162-G32/0.03
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ABB
F162-L16/0.03
F162-L16/0.03
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ABB
F204AC-40/0.1
F204AC-40/0.1
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ABB
F5S04CXI
F5S04CXI
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Eaton
FAZ-B25/2-NA-L
FAZ-B25/2-NA-L
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Eaton
FAZ-C0.5/2-NA-L
FAZ-C0.5/2-NA-L
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Eaton
FAZ-D30-2
FAZ-D30-2
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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.