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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
HKD3225P
HKD3225P
Limited Stock
From
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Eaton
-
-
HKD3250P
HKD3250P
Limited Stock
From
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Eaton
-
-
HKD3300P
HKD3300P
Limited Stock
From
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Eaton
-
-
HKD3350P
HKD3350P
Limited Stock
From
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Eaton
-
-
LC3600NW
LC3600NW
Limited Stock
From
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Westinghouse
-
-
LD3600P
LD3600P
Limited Stock
From
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Eaton
-
-
1222037
1222037
Limited Stock
From
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Westinghouse
-
-
NP28313-F
NP28313-F
Limited Stock
From
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Westinghouse
-
-
NP45750-C
NP45750-C
Limited Stock
From
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Westinghouse
-
-
HFDDC2100K
HFDDC2100K
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Eaton
100
600
QBHW20100
QBHW20100
Limited Stock
From
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Eaton
100
240
1265C95G11
1265C95G11
Limited Stock
From
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Westinghouse
-
-
1277C47G42
1277C47G42
Limited Stock
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Westinghouse
-
-
1375D83G26
1375D83G26
Limited Stock
From
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Westinghouse
-
-
2607D97G11
2607D97G11
Limited Stock
From
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Westinghouse
-
-
53E-1293
53E-1293
Limited Stock
From
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Westinghouse
-
-
657D791G18
657D791G18
Limited Stock
From
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Westinghouse
-
-
EHD3015LA02
EHD3015LA02
Limited Stock
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Westinghouse
-
-
FB2070PVL
FB2070PVL
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Westinghouse
-
-
HFA3025M
HFA3025M
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Westinghouse
-
-
HMCFP3550F
HMCFP3550F
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Westinghouse
-
-
JK2225F
JK2225F
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From
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Westinghouse
-
-
KB3250-225
KB3250-225
Limited Stock
From
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Westinghouse
-
-
BA2035
BA2035
Limited Stock
From
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Westinghouse
-
240
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.