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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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MG24632
MG24632
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Schneider Electric
MG24647
MG24647
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Schneider Electric
MG24685
MG24685
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Schneider Electric
MG25083
MG25083
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Schneider Electric
MG25111
MG25111
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Schneider Electric
MG25440
MG25440
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Schneider Electric
MG25478
MG25478
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Schneider Electric
MG25485
MG25485
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Schneider Electric
MG25640
MG25640
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Schneider Electric
MG25644
MG25644
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Schneider Electric
MG25646
MG25646
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Schneider Electric
MG25656
MG25656
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Schneider Electric
MG25658
MG25658
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Schneider Electric
MG25659
MG25659
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Schneider Electric
MG25660
MG25660
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Schneider Electric
MG25668
MG25668
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Schneider Electric
MG25672
MG25672
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Schneider Electric
MG25676
MG25676
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Schneider Electric
MG25680
MG25680
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Schneider Electric
MG25696
MG25696
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Schneider Electric
MG25700
MG25700
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MG25701
MG25701
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MG25702
MG25702
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Schneider Electric
MG25703
MG25703
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Schneider 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.