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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
PDG32NH400E5CJ
PDG32NH400E5CJ
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Cutler Hammer
400
600
PDG32NH400E5CK
PDG32NH400E5CK
Limited Stock
From
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Cutler Hammer
400
600
PDG32NH400E5CL
PDG32NH400E5CL
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Cutler Hammer
400
600
PDG32NH400E5CN
PDG32NH400E5CN
Limited Stock
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Eaton
400
600
PDG32NH400E5MJ
PDG32NH400E5MJ
Limited Stock
From
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Eaton
400
600
PDG32NH400E5MK
PDG32NH400E5MK
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Eaton
400
600
PDG32NH400E5ML
PDG32NH400E5ML
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Cutler Hammer
400
600
PDG32NH400E5MN
PDG32NH400E5MN
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Cutler Hammer
400
600
PDG32NH400E5NJ
PDG32NH400E5NJ
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From
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Eaton
400
600
PDG32NH400E5NK
PDG32NH400E5NK
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From
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Cutler Hammer
400
600
PDG32NH400E5NL
PDG32NH400E5NL
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Eaton
400
600
PDG32NH400E5NN
PDG32NH400E5NN
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Eaton
400
600
PDG32NH400E5RJ
PDG32NH400E5RJ
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From
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Eaton
400
600
PDG32NH400E5RK
PDG32NH400E5RK
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From
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Cutler Hammer
400
600
PDG32NH400E5RL
PDG32NH400E5RL
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From
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Eaton
400
600
PDG32NH400E5RN
PDG32NH400E5RN
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From
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Eaton
400
600
PDG32NH400E5WJ
PDG32NH400E5WJ
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From
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Eaton
400
600
PDG32NH400E5WK
PDG32NH400E5WK
Limited Stock
From
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Cutler Hammer
400
600
PDG32NH400E5WL
PDG32NH400E5WL
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From
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Eaton
400
600
PDG32NH400E5WN
PDG32NH400E5WN
Limited Stock
From
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Cutler Hammer
400
600
PDG32NH400E5XJ
PDG32NH400E5XJ
Limited Stock
From
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Cutler Hammer
400
600
PDG32NH400E5XK
PDG32NH400E5XK
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From
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Cutler Hammer
400
600
PDG32NH400E5XL
PDG32NH400E5XL
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From
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Eaton
400
600
PDG32NH400E5XN
PDG32NH400E5XN
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From
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Cutler Hammer
400
600
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.