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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
ELHFD3015
ELHFD3015
Limited Stock
From
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Westinghouse
15
480
FG3080S01
FG3080S01
Limited Stock
From
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Eaton
80
600
FG3090S02
FG3090S02
Limited Stock
From
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Westinghouse
90
600
FG3175S18
FG3175S18
Limited Stock
From
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Eaton
175
600
FWC3160JL
FWC3160JL
Limited Stock
From
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Cutler Hammer
160
690
FWCF4016L
FWCF4016L
Limited Stock
From
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Westinghouse
16
690
GB2050
GB2050
Limited Stock
From
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Westinghouse
50
240
GB2060
GB2060
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From
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Westinghouse
60
240
GB2080
GB2080
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From
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Eaton
80
240
GB2090
GB2090
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Eaton
90
240
GB3015
GB3015
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From
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Westinghouse
15
240
GB3080
GB3080
Limited Stock
From
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Cutler Hammer
80
240
GB3090
GB3090
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From
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Westinghouse
90
240
GC2015
GC2015
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From
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Eaton
15
240
GC2020
GC2020
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From
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Cutler Hammer
20
240
GC2030
GC2030
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Eaton
30
240
GC3040
GC3040
Limited Stock
From
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Westinghouse
40
240
HCA3200
HCA3200
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From
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Westinghouse
200
240
HFDDC2015W
HFDDC2015W
Limited Stock
From
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Eaton
15
600
HFDDC2020L
HFDDC2020L
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Eaton
20
600
HFDDC2020W
HFDDC2020W
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Eaton
20
600
HFDDC2025L
HFDDC2025L
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From
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Eaton
25
600
HFDDC2025W
HFDDC2025W
Limited Stock
From
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Eaton
25
600
HFDDC2030W
HFDDC2030W
Limited Stock
From
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Eaton
30
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.