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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
IKL362251590
IKL362251590
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Square D
225
600
MG26182
MG26182
Limited Stock
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Schneider Electric
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-
MG26184
MG26184
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Schneider Electric
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MG26242
MG26242
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Schneider Electric
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MG26502
MG26502
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$233.09
Schneider Electric
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MG26590
MG26590
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Schneider Electric
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MG26603
MG26603
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Schneider Electric
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MG26973
MG26973
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$34.77
Schneider Electric
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MG27253
MG27253
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Schneider Electric
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MG27404
MG27404
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Schneider Electric
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MG27555
MG27555
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Schneider Electric
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MG27557
MG27557
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Schneider Electric
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MG27912
MG27912
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$15.43
Schneider Electric
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MG27916
MG27916
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Schneider Electric
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MG27917
MG27917
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Schneider Electric
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MGA36400YE
MGA36400YE
In Stock
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$0.02
Square D
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9080GLP6
9080GLP6
In Stock
From
$23.18
Schneider Electric
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A9D11220
A9D11220
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$201.52
Schneider Electric
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A9D31640
A9D31640
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Schneider Electric
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A9E18033
A9E18033
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Schneider Electric
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A9E18070
A9E18070
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Schneider Electric
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A9F03125
A9F03125
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Schneider Electric
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A9F03132
A9F03132
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Schneider Electric
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A9F03210
A9F03210
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Schneider Electric
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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.