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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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CP32EF/5WD
CP32EF/5WD
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Fuji Electric
CP32FM/15W
CP32FM/15W
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Fuji Electric
CP32FM/3WD
CP32FM/3WD
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Fuji Electric
CP32FS/5
CP32FS/5
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Fuji Electric
CP33FM/3
CP33FM/3
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Fuji Electric
EA203A-175
EA203A-175
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Fuji Electric
EA203B/200
EA203B/200
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Fuji Electric
EA203B200M110
EA203B200M110
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Fuji Electric
EA33 BB3AEA-010
EA33 BB3AEA-010
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Fuji Electric
EA33M/16
EA33M/16
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Fuji Electric
EA403B/300
EA403B/300
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Fuji Electric
EA53B-30A
EA53B-30A
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Fuji Electric
EA53B/50
EA53B/50
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Fuji Electric
EA53C-50-CE
EA53C-50-CE
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Fuji Electric
EA63
EA63
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Fuji Electric
EG103C
EG103C
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Fuji Electric
EG33AC EB3AEAC-010B
EG33AC EB3AEAC-010B
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Fuji Electric
EG63B
EG63B
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Fuji Electric
EW125JAG
EW125JAG
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Fuji Electric
EW125JAGU-3P075
EW125JAGU-3P075
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Fuji Electric
EW250EAG
EW250EAG
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Fuji Electric
EW32AAG-3P010B
EW32AAG-3P010B
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Fuji Electric
EW50RAGU-3P040
EW50RAGU-3P040
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Fuji Electric
EW63EAG
EW63EAG
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Fuji Electric
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.