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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
MP250KMM
MP250KMM
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Murray Corporation
50
240
MP250KMST
MP250KMST
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Murray Corporation
50
240
MP250KMST24V
MP250KMST24V
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Murray Corporation
50
240
MP250KMY
MP250KMY
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Murray Corporation
50
240
MP260KHAS
MP260KHAS
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Murray Corporation
60
240
MP260KHF
MP260KHF
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Murray Corporation
60
240
MP260KHM
MP260KHM
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From
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Murray Corporation
60
240
MP260KHST24V
MP260KHST24V
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Murray Corporation
60
240
MP260KHY
MP260KHY
Limited Stock
From
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Murray Corporation
60
240
MP260KMAS
MP260KMAS
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Murray Corporation
60
240
MP260KMF
MP260KMF
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From
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Murray Corporation
60
240
MP260KMM
MP260KMM
Limited Stock
From
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Murray Corporation
60
240
MP260KMST
MP260KMST
Limited Stock
From
Get Price
Murray Corporation
60
240
MP260KMST24V
MP260KMST24V
Limited Stock
From
Get Price
Murray Corporation
60
240
MP260KMY
MP260KMY
Limited Stock
From
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Murray Corporation
60
240
MP270KHAS
MP270KHAS
Limited Stock
From
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Murray Corporation
70
240
MP270KHF
MP270KHF
Limited Stock
From
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Murray Corporation
70
240
MP270KHM
MP270KHM
Limited Stock
From
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Murray Corporation
70
240
MP270KHST
MP270KHST
Limited Stock
From
Get Price
Murray Corporation
70
240
MP270KHST24V
MP270KHST24V
Limited Stock
From
Get Price
Murray Corporation
70
240
MP270KHY
MP270KHY
Limited Stock
From
Get Price
Murray Corporation
70
240
MP270KMAS
MP270KMAS
Limited Stock
From
Get Price
Murray Corporation
70
240
MP270KMF
MP270KMF
Limited Stock
From
Get Price
Murray Corporation
70
240
MP270KMM
MP270KMM
Limited Stock
From
Get Price
Murray Corporation
70
240
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.