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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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LV431395
LV431395
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$1,231.19
Schneider Electric
LV433477
LV433477
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Schneider Electric
LV433490
LV433490
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Schneider Electric
LV433493
LV433493
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Schneider Electric
LV433510
LV433510
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Schneider Electric
LV433575
LV433575
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Schneider Electric
LV433705
LV433705
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Schneider Electric
LV433706
LV433706
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Schneider Electric
LV433819
LV433819
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Schneider Electric
LV433828
LV433828
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Schneider Electric
LV433836
LV433836
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Schneider Electric
LV433888
LV433888
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Schneider Electric
LV433899
LV433899
In Stock
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$1,496.36
Schneider Electric
LV433930
LV433930
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Schneider Electric
LV433940
LV433940
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Schneider Electric
LV433941
LV433941
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Schneider Electric
LV434063-EOK
LV434063-EOK
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$1,146.74
Schneider Electric
LV434204
LV434204
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Schneider Electric
LV435018
LV435018
In Stock
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$326.23
Schneider Electric
LV438208
LV438208
In Stock
From
$562.72
Schneider Electric
LV438279
LV438279
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Schneider Electric
LV847220
LV847220
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Schneider Electric
LV848342
LV848342
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Schneider Electric
LXU5.612.18KPZ
LXU5.612.18KPZ
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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.