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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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A9F55320
A9F55320
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Schneider Electric
A9F55332
A9F55332
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A9F55420
A9F55420
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Schneider Electric
A9F56132
A9F56132
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Schneider Electric
A9F57106
A9F57106
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Schneider Electric
A9F57116
A9F57116
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Schneider Electric
A9F57120
A9F57120
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Schneider Electric
A9F57125
A9F57125
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Schneider Electric
A9F57132
A9F57132
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Schneider Electric
A9F57320
A9F57320
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Schneider Electric
A9F57332
A9F57332
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Schneider Electric
A9F58332
A9F58332
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Schneider Electric
A9F64216
A9F64216
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Schneider Electric
A9F74103
A9F74103
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$6.95
Schneider Electric
A9F74106
A9F74106
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Schneider Electric
A9F74201
A9F74201
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Schneider Electric
A9F74202
A9F74202
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$74.02
Schneider Electric
A9F75202
A9F75202
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$55.88
Schneider Electric
A9F75204
A9F75204
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$55.78
Schneider Electric
A9F75220
A9F75220
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$127.94
Schneider Electric
A9F79106
A9F79106
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Schneider Electric
A9F79125
A9F79125
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$10.05
Schneider Electric
A9F79210
A9F79210
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Schneider Electric
A9F79316
A9F79316
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$98.32
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.