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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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A9F53201
A9F53201
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Schneider Electric
A9F53210
A9F53210
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Schneider Electric
A9F55401
A9F55401
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Schneider Electric
A9F64210
A9F64210
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Schneider Electric
A9F74101
A9F74101
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Schneider Electric
A9F74104
A9F74104
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Schneider Electric
A9F74440
A9F74440
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Schneider Electric
A9F74604
A9F74604
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Schneider Electric
A9F77206
A9F77206
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Schneider Electric
A9F77210
A9F77210
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Schneider Electric
A9F95106
A9F95106
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Schneider Electric
A9N18385
A9N18385
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Schneider Electric
A9N21480
A9N21480
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Schneider Electric
A9R12440
A9R12440
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Schneider Electric
A9R14291
A9R14291
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Schneider Electric
A9R25463
A9R25463
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Schneider Electric
A9R35440
A9R35440
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Schneider Electric
A9R35463
A9R35463
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Schneider Electric
A9R44463
A9R44463
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Schneider Electric
AD-9578
AD-9578
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Schneider Electric
AE-2916
AE-2916
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Schneider Electric
BGL26015LU
BGL26015LU
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Schneider Electric
C101H-L-40
C101H-L-40
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Schneider Electric
C25F4
C25F4
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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.