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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
DGN36600E54
DGN36600E54
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Square D
600
600
DGN36600E58
DGN36600E58
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Square D
600
600
DGN36600E59
DGN36600E59
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Square D
600
600
DGP36150E20
DGP36150E20
Limited Stock
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Schneider Electric
150
600
DGP36150E53
DGP36150E53
Limited Stock
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Schneider Electric
150
600
DGP36150E54
DGP36150E54
Limited Stock
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Square D
150
600
DGP36150E58
DGP36150E58
Limited Stock
From
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Schneider Electric
150
600
DGP36150E59
DGP36150E59
Limited Stock
From
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Schneider Electric
150
600
DGP36250E53
DGP36250E53
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Schneider Electric
250
600
DGP36250E54
DGP36250E54
Limited Stock
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Square D
250
600
DGP36250E58
DGP36250E58
Limited Stock
From
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Square D
250
600
DGP36250E59
DGP36250E59
Limited Stock
From
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Square D
250
600
DGP36400E53
DGP36400E53
Limited Stock
From
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Square D
400
600
DGP36400E54
DGP36400E54
Limited Stock
From
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Square D
400
600
DGP36400E58
DGP36400E58
Limited Stock
From
Get Price
Schneider Electric
400
600
DGP36400E59
DGP36400E59
Limited Stock
From
Get Price
Square D
400
600
DGP36600E53
DGP36600E53
Limited Stock
From
Get Price
Square D
600
600
DGP36600E54
DGP36600E54
Limited Stock
From
Get Price
Square D
600
600
DGP36600E58
DGP36600E58
Limited Stock
From
Get Price
Square D
600
600
DGP36600E59
DGP36600E59
Limited Stock
From
Get Price
Square D
600
600
DGS36150E20
DGS36150E20
Limited Stock
From
Get Price
Schneider Electric
150
600
DGS36150E53
DGS36150E53
Limited Stock
From
Get Price
Square D
150
600
DGS36150E54
DGS36150E54
Limited Stock
From
Get Price
Square D
150
600
DGS36150E58
DGS36150E58
Limited Stock
From
Get Price
Schneider Electric
150
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.