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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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GHC1020C
GHC1020C
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Eaton
GPS3015
GPS3015
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Eaton
HFW40500VL
HFW40500VL
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Eaton
HFW41250VL
HFW41250VL
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Eaton
HJD3125P
HJD3125P
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Eaton
HJD3175P
HJD3175P
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Eaton
HJW4160V
HJW4160V
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Eaton
HJW4200V
HJW4200V
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Eaton
HKD3125P
HKD3125P
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Eaton
HKW4200V
HKW4200V
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Eaton
HM2P250L5YS12
HM2P250L5YS12
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Eaton
HM2P400X5WM01S10Y07
HM2P400X5WM01S10Y07
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Eaton
HQP1025R3
HQP1025R3
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Eaton
JD3200P
JD3200P
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Eaton
JDB3250KXD03D08
JDB3250KXD03D08
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Eaton
JW3125V
JW3125V
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Eaton
JW4160V
JW4160V
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Eaton
JW4200V
JW4200V
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Eaton
KD1-1
KD1-1
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Eaton
LD3600FP
LD3600FP
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Eaton
LW3400V
LW3400V
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Eaton
P3-100/E
P3-100/E
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Eaton
P3-100/EA/SVB-SW
P3-100/EA/SVB-SW
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Eaton
P74-200
P74-200
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Eaton
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.