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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
LV429672ATS3
LV429672ATS3
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Schneider Electric
100
690
LV429672ATS4
LV429672ATS4
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Schneider Electric
100
690
LV429672D
LV429672D
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Schneider Electric
100
690
LV429672MT1
LV429672MT1
Limited Stock
From
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Schneider Electric
100
690
LV429672MT2
LV429672MT2
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Schneider Electric
100
690
LV429672P
LV429672P
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Schneider Electric
100
690
LV429673ATS1
LV429673ATS1
Limited Stock
From
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Schneider Electric
100
690
LV429673ATS2
LV429673ATS2
Limited Stock
From
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Schneider Electric
100
690
LV429673ATS3
LV429673ATS3
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429673ATS4
LV429673ATS4
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429673D
LV429673D
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429673MT1
LV429673MT1
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429673MT2
LV429673MT2
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429673P
LV429673P
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674ATS1
LV429674ATS1
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674ATS2
LV429674ATS2
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674ATS3
LV429674ATS3
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674ATS4
LV429674ATS4
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674D
LV429674D
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674MT1
LV429674MT1
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674MT2
LV429674MT2
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429674P
LV429674P
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429675ATS1
LV429675ATS1
Limited Stock
From
Get Price
Schneider Electric
100
690
LV429675ATS2
LV429675ATS2
Limited Stock
From
Get Price
Schneider Electric
100
690
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.