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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
PDG32KH400P5WL
PDG32KH400P5WL
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Cutler Hammer
400
600
PDG32KH400P5WN
PDG32KH400P5WN
Limited Stock
From
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Eaton
400
600
PDG32KH400P5YJ
PDG32KH400P5YJ
Limited Stock
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Eaton
400
600
PDG32KH400P5YK
PDG32KH400P5YK
Limited Stock
From
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Cutler Hammer
400
600
PDG32KH400P5YL
PDG32KH400P5YL
Limited Stock
From
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Eaton
400
600
PDG32KH400P5YN
PDG32KH400P5YN
Limited Stock
From
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Cutler Hammer
400
600
PDG32KH400TFAJ
PDG32KH400TFAJ
Limited Stock
From
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Cutler Hammer
400
600
PDG32KH400TFAK
PDG32KH400TFAK
Limited Stock
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Eaton
400
600
PDG32KH400TFAL
PDG32KH400TFAL
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Eaton
400
600
PDG32KH400TFAN
PDG32KH400TFAN
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Eaton
400
600
PDG32KH400VFAJ
PDG32KH400VFAJ
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From
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Eaton
400
600
PDG32KH400VFAK
PDG32KH400VFAK
Limited Stock
From
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Cutler Hammer
400
600
PDG32KH400VFAL
PDG32KH400VFAL
Limited Stock
From
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Eaton
400
600
PDG32KH400VFAN
PDG32KH400VFAN
Limited Stock
From
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Cutler Hammer
400
600
PDG32M0100TGAJ
PDG32M0100TGAJ
Limited Stock
From
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Eaton
100
600
PDG32M0100TGAK
PDG32M0100TGAK
Limited Stock
From
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Cutler Hammer
100
600
PDG32M0100TGAL
PDG32M0100TGAL
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From
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Cutler Hammer
100
600
PDG32M0100TGAN
PDG32M0100TGAN
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From
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Eaton
100
600
PDG32M0100VGAJ
PDG32M0100VGAJ
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From
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Cutler Hammer
100
600
PDG32M0100VGAK
PDG32M0100VGAK
Limited Stock
From
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Cutler Hammer
100
600
PDG32M0100VGAL
PDG32M0100VGAL
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From
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Cutler Hammer
100
600
PDG32M0100VGAN
PDG32M0100VGAN
Limited Stock
From
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Cutler Hammer
100
600
PDG32M0125B2NJ
PDG32M0125B2NJ
Limited Stock
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Cutler Hammer
125
600
PDG32M0125B2NK
PDG32M0125B2NK
Limited Stock
From
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Cutler Hammer
125
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.