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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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A9F53116
A9F53116
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Schneider Electric
A9F53120
A9F53120
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Schneider Electric
A9F53132
A9F53132
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Schneider Electric
A9F53204
A9F53204
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Schneider Electric
A9F53206
A9F53206
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Schneider Electric
A9F53216
A9F53216
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Schneider Electric
A9F53302
A9F53302
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Schneider Electric
A9F53304
A9F53304
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Schneider Electric
A9F53306
A9F53306
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Schneider Electric
A9F53310
A9F53310
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Schneider Electric
A9F53316
A9F53316
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Schneider Electric
A9F53320
A9F53320
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$49.79
Schneider Electric
A9F53325
A9F53325
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Schneider Electric
A9F53332
A9F53332
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Schneider Electric
A9F53340
A9F53340
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Schneider Electric
A9F53402
A9F53402
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Schneider Electric
A9F54101
A9F54101
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Schneider Electric
A9F54116
A9F54116
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Schneider Electric
A9F54120
A9F54120
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Schneider Electric
A9F54140
A9F54140
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Schneider Electric
A9F54150
A9F54150
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Schneider Electric
A9F54163
A9F54163
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Schneider Electric
A9F54201
A9F54201
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Schneider Electric
A9F54206
A9F54206
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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.