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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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A9D17332
A9D17332
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Schneider Electric
A9DC4716
A9DC4716
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Schneider Electric
A9DG3606
A9DG3606
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Schneider Electric
A9E18036
A9E18036
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Schneider Electric
A9E18072
A9E18072
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Schneider Electric
A9F03240
A9F03240
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Schneider Electric
A9F03325
A9F03325
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Schneider Electric
A9F04116
A9F04116
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$49.69
Schneider Electric
A9F04120
A9F04120
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Schneider Electric
A9F04206
A9F04206
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Schneider Electric
A9F04210
A9F04210
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Schneider Electric
A9F04320
A9F04320
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Schneider Electric
A9F04325
A9F04325
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Schneider Electric
A9F06106
A9F06106
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Schneider Electric
A9F06116
A9F06116
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Schneider Electric
A9F06216
A9F06216
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Schneider Electric
A9F07103
A9F07103
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Schneider Electric
A9F07104
A9F07104
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$27.35
Schneider Electric
A9F07106
A9F07106
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Schneider Electric
A9F07116
A9F07116
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Schneider Electric
A9F07125
A9F07125
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Schneider Electric
A9F07202
A9F07202
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Schneider Electric
A9F07216
A9F07216
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Schneider Electric
A9F07263
A9F07263
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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.