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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
PDF34FH250P8MN
PDF34FH250P8MN
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Eaton
250
600
PDF34FH250P8WJ
PDF34FH250P8WJ
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Eaton
250
600
PDF34FH250P8WK
PDF34FH250P8WK
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Eaton
250
600
PDF34FH250P8WL
PDF34FH250P8WL
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Eaton
250
600
PDF34FH250P8WN
PDF34FH250P8WN
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Cutler Hammer
250
600
PDF34FH250P8YJ
PDF34FH250P8YJ
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Cutler Hammer
250
600
PDF34FH250P8YK
PDF34FH250P8YK
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Cutler Hammer
250
600
PDF34FH250P8YL
PDF34FH250P8YL
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Cutler Hammer
250
600
PDF34FH250P8YN
PDF34FH250P8YN
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Cutler Hammer
250
600
PDF34FH250P9DJ
PDF34FH250P9DJ
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Cutler Hammer
250
600
PDF34FH250P9DK
PDF34FH250P9DK
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Eaton
250
600
PDF34FH250P9DL
PDF34FH250P9DL
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Eaton
250
600
PDF34FH250P9DN
PDF34FH250P9DN
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Eaton
250
600
PDF34FH250P9MJ
PDF34FH250P9MJ
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Eaton
250
600
PDF34FH250P9MK
PDF34FH250P9MK
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Cutler Hammer
250
600
PDF34FH250P9ML
PDF34FH250P9ML
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Cutler Hammer
250
600
PDF34FH250P9MN
PDF34FH250P9MN
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Eaton
250
600
PDF34FH250P9WJ
PDF34FH250P9WJ
Limited Stock
From
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Cutler Hammer
250
600
PDF34FH250P9WK
PDF34FH250P9WK
Limited Stock
From
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Cutler Hammer
250
600
PDF34FH250P9WL
PDF34FH250P9WL
Limited Stock
From
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Eaton
250
600
PDF34FH250P9WN
PDF34FH250P9WN
Limited Stock
From
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Eaton
250
600
PDF34FH250P9YJ
PDF34FH250P9YJ
Limited Stock
From
Get Price
Eaton
250
600
PDF34FH250P9YK
PDF34FH250P9YK
Limited Stock
From
Get Price
Eaton
250
600
PDF34FH250P9YL
PDF34FH250P9YL
Limited Stock
From
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Eaton
250
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.