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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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Part Number
PRICE
Manufacturer
Amperage
Voltage
IF24050AC
IF24050AC
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Square D
50
480
IF24050BC
IF24050BC
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Square D
50
480
IF24060
IF24060
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Square D
60
480
IF24060AB
IF24060AB
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Square D
60
480
IF24060BC
IF24060BC
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Square D
60
480
IF24070
IF24070
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Square D
70
480
IF24070AB
IF24070AB
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Square D
70
480
IF24070AC
IF24070AC
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Square D
70
480
IF24070BC
IF24070BC
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Square D
70
480
IF24080
IF24080
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Square D
80
480
IF24080AB
IF24080AB
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Square D
80
480
IF24080AC
IF24080AC
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Square D
80
480
IF24080BC
IF24080BC
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Square D
80
480
IF24090
IF24090
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Square D
90
480
IF24090AB
IF24090AB
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Square D
90
480
IF24090AC
IF24090AC
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Square D
90
480
IF24090BC
IF24090BC
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Square D
90
480
IF24100
IF24100
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Square D
100
480
IF24100AC
IF24100AC
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Square D
100
480
IF24100BC
IF24100BC
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Square D
100
480
IF26030
IF26030
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Square D
30
600
IF26030BC
IF26030BC
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Square D
30
600
IF26040
IF26040
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Square D
40
600
IF26040AB
IF26040AB
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From
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Square D
40
600
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.