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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
MGN25089
MGN25089
Limited Stock
From
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Schneider Electric
32
240
MGN25090
MGN25090
Limited Stock
From
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Schneider Electric
40
240
MGN25108
MGN25108
Limited Stock
From
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Schneider Electric
1
415
MGN25111
MGN25111
Limited Stock
From
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Schneider Electric
2
415
MGN25112
MGN25112
Limited Stock
From
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Schneider Electric
3
415
MGN25113
MGN25113
Limited Stock
From
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Schneider Electric
4
415
MGN25114
MGN25114
Limited Stock
From
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Schneider Electric
6
415
MGN25115
MGN25115
Limited Stock
From
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Schneider Electric
10
415
MGN25117
MGN25117
Limited Stock
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Schneider Electric
16
415
MGN25118
MGN25118
Limited Stock
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Schneider Electric
20
415
MGN25119
MGN25119
Limited Stock
From
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Schneider Electric
25
415
MGN25120
MGN25120
Limited Stock
From
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Schneider Electric
32
415
MGN25121
MGN25121
Limited Stock
From
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Schneider Electric
40
415
MGN25124
MGN25124
Limited Stock
From
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Schneider Electric
1
415
MGN25125
MGN25125
Limited Stock
From
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Schneider Electric
2
415
MGN25126
MGN25126
Limited Stock
From
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Schneider Electric
3
415
MGN25127
MGN25127
Limited Stock
From
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Schneider Electric
4
415
MGN25128
MGN25128
Limited Stock
From
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Schneider Electric
6
415
MGN25129
MGN25129
Limited Stock
From
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Schneider Electric
10
415
MGN25131
MGN25131
Limited Stock
From
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Schneider Electric
16
415
MGN25132
MGN25132
Limited Stock
From
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Schneider Electric
20
415
MGN25133
MGN25133
Limited Stock
From
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Schneider Electric
25
415
MGN25134
MGN25134
Limited Stock
From
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Schneider Electric
32
415
MGN25135
MGN25135
Limited Stock
From
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Schneider Electric
40
415
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.