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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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A9F78106
A9F78106
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Schneider Electric
A9F79232
A9F79232
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Schneider Electric
A9F79240
A9F79240
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A9F79306
A9F79306
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A9F79310
A9F79310
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A9F79616
A9F79616
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Schneider Electric
A9F83102
A9F83102
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A9F83103
A9F83103
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Schneider Electric
A9F83104
A9F83104
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A9F83113
A9F83113
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Schneider Electric
A9F83125
A9F83125
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A9F83204
A9F83204
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Schneider Electric
A9F83225
A9F83225
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Schneider Electric
A9F83413
A9F83413
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Schneider Electric
A9F84206
A9F84206
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$22.04
Schneider Electric
A9F84304
A9F84304
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Schneider Electric
A9F84350
A9F84350
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Schneider Electric
A9F85102
A9F85102
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Schneider Electric
A9F85116
A9F85116
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Schneider Electric
A9F85120
A9F85120
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Schneider Electric
A9F85202
A9F85202
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Schneider Electric
A9F85210
A9F85210
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Schneider Electric
A9F85250
A9F85250
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Schneider Electric
A9F85316
A9F85316
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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.