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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
NGH712038M
NGH712038M
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Eaton
-
-
NGH712038MC
NGH712038MC
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Eaton
-
-
NGH908038E
NGH908038E
Limited Stock
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Eaton
-
-
NGH908038EC
NGH908038EC
Limited Stock
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Eaton
-
-
NGH908038M
NGH908038M
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Eaton
-
-
NGH908038MC
NGH908038MC
Limited Stock
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Eaton
-
-
NGH912038E
NGH912038E
Limited Stock
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Eaton
-
-
NGH912038EC
NGH912038EC
Limited Stock
From
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Eaton
-
-
NGH912038M
NGH912038M
Limited Stock
From
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Eaton
-
-
NGH912038MC
NGH912038MC
Limited Stock
From
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Eaton
-
-
NGS3080KSE
NGS3080KSE
Limited Stock
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Eaton
800
690
NGS3120KSE
NGS3120KSE
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Eaton
1200
690
NGS3125KSE
NGS3125KSE
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Eaton
1250
690
NGS408038E
NGS408038E
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Eaton
-
-
NGS408038EC
NGS408038EC
Limited Stock
From
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Eaton
-
-
NGS408038M
NGS408038M
Limited Stock
From
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Eaton
-
-
NGS408038MC
NGS408038MC
Limited Stock
From
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Eaton
-
-
NGS408039E
NGS408039E
Limited Stock
From
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Eaton
-
-
NGS408039EC
NGS408039EC
Limited Stock
From
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Eaton
-
-
NGS408039M
NGS408039M
Limited Stock
From
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Eaton
-
-
NGS408039MC
NGS408039MC
Limited Stock
From
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Eaton
-
-
NGS412038E
NGS412038E
Limited Stock
From
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Eaton
-
-
NGS412038EC
NGS412038EC
Limited Stock
From
Get Price
Eaton
-
-
NGS412038M
NGS412038M
Limited Stock
From
Get Price
Eaton
-
-
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.