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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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A9DC4616
A9DC4616
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Schneider Electric
A9F04350
A9F04350
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Schneider Electric
A9F08104
A9F08104
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Schneider Electric
A9F53150
A9F53150
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Schneider Electric
A9F53263
A9F53263
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Schneider Electric
A9F55140
A9F55140
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Schneider Electric
A9F55201
A9F55201
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Schneider Electric
A9F55220
A9F55220
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Schneider Electric
A9F55263
A9F55263
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Schneider Electric
A9F74102
A9F74102
In Stock
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$229.04
Schneider Electric
A9F74240
A9F74240
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$52.54
Schneider Electric
A9F83202
A9F83202
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$35.42
Schneider Electric
A9F84104
A9F84104
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Schneider Electric
A9F84216
A9F84216
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$21.79
Schneider Electric
A9F92372
A9F92372
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Schneider Electric
A9K24316
A9K24316
In Stock
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$107.58
Schneider Electric
A9P54602
A9P54602
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$95.00
Schneider Electric
A9W31325
A9W31325
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Schneider Electric
A9Z11425
A9Z11425
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Schneider Electric
BDA24100Y1
BDA24100Y1
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$598.89
Square D
BGA34015YP
BGA34015YP
In Stock
From
$111.11
Square D
DJL36400E20AA
DJL36400E20AA
In Stock
From
$825.24
Square D
FA22060AC-BLK
FA22060AC-BLK
In Stock
From
$4.44
Square D
FA32030-BLK
FA32030-BLK
In Stock
From
$4.44
Square D
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.