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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
PDG32P0250P5MJ
PDG32P0250P5MJ
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Cutler Hammer
250
600
PDG32P0250P5MK
PDG32P0250P5MK
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Eaton
250
600
PDG32P0250P5ML
PDG32P0250P5ML
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Eaton
250
600
PDG32P0250P5MN
PDG32P0250P5MN
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Cutler Hammer
250
600
PDG32P0250P5WJ
PDG32P0250P5WJ
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Eaton
250
600
PDG32P0250P5WK
PDG32P0250P5WK
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Eaton
250
600
PDG32P0250P5WL
PDG32P0250P5WL
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Eaton
250
600
PDG32P0250P5WN
PDG32P0250P5WN
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Cutler Hammer
250
600
PDG32P0250P5YJ
PDG32P0250P5YJ
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Cutler Hammer
250
600
PDG32P0250P5YK
PDG32P0250P5YK
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Cutler Hammer
250
600
PDG32P0250P5YL
PDG32P0250P5YL
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Cutler Hammer
250
600
PDG32P0250P5YN
PDG32P0250P5YN
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Eaton
250
600
PDG32P0400B2NJ
PDG32P0400B2NJ
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Cutler Hammer
400
600
PDG32P0400B2NK
PDG32P0400B2NK
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Eaton
400
600
PDG32P0400B2NL
PDG32P0400B2NL
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Cutler Hammer
400
600
PDG32P0400B2NN
PDG32P0400B2NN
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Eaton
400
600
PDG32P0400D2DJ
PDG32P0400D2DJ
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Eaton
400
600
PDG32P0400D2DK
PDG32P0400D2DK
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Eaton
400
600
PDG32P0400D2DL
PDG32P0400D2DL
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Cutler Hammer
400
600
PDG32P0400D2DN
PDG32P0400D2DN
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From
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Cutler Hammer
400
600
PDG32P0400D2MJ
PDG32P0400D2MJ
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Cutler Hammer
400
600
PDG32P0400D2MK
PDG32P0400D2MK
Limited Stock
From
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Eaton
400
600
PDG32P0400D2ML
PDG32P0400D2ML
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From
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Cutler Hammer
400
600
PDG32P0400D2MN
PDG32P0400D2MN
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From
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Eaton
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.