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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
PDG53K0800P4MM
PDG53K0800P4MM
Limited Stock
From
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Eaton
800
600
PDG53K0800P4MN
PDG53K0800P4MN
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P4WM
PDG53K0800P4WM
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P4WN
PDG53K0800P4WN
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P4YM
PDG53K0800P4YM
Limited Stock
From
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Eaton
800
600
PDG53K0800P4YN
PDG53K0800P4YN
Limited Stock
From
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Eaton
800
600
PDG53K0800P5DM
PDG53K0800P5DM
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From
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Eaton
800
600
PDG53K0800P5DN
PDG53K0800P5DN
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From
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Cutler Hammer
800
600
PDG53K0800P5MM
PDG53K0800P5MM
Limited Stock
From
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Eaton
800
600
PDG53K0800P5MN
PDG53K0800P5MN
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P5WM
PDG53K0800P5WM
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P5WN
PDG53K0800P5WN
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P5YM
PDG53K0800P5YM
Limited Stock
From
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Cutler Hammer
800
600
PDG53K0800P5YN
PDG53K0800P5YN
Limited Stock
From
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Cutler Hammer
800
600
PDG53K1200E2CM
PDG53K1200E2CM
Limited Stock
From
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Cutler Hammer
1200
600
PDG53K1200E2CN
PDG53K1200E2CN
Limited Stock
From
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Cutler Hammer
1200
600
PDG53K1200E2MM
PDG53K1200E2MM
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From
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Eaton
1200
600
PDG53K1200E2NM
PDG53K1200E2NM
Limited Stock
From
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Cutler Hammer
1200
600
PDG53K1200E2NN
PDG53K1200E2NN
Limited Stock
From
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Eaton
1200
600
PDG53K1200E2RM
PDG53K1200E2RM
Limited Stock
From
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Eaton
1200
600
PDG53K1200E2RN
PDG53K1200E2RN
Limited Stock
From
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Cutler Hammer
1200
600
PDG53K1200E2WM
PDG53K1200E2WM
Limited Stock
From
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Eaton
1200
600
PDG53K1200E2WN
PDG53K1200E2WN
Limited Stock
From
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Cutler Hammer
1200
600
PDG53K1200E2XM
PDG53K1200E2XM
Limited Stock
From
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Cutler Hammer
1200
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.