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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
SKM3C1200
SKM3C1200
Limited Stock
From
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Sylvania
1200
600
CD3175
CD3175
Limited Stock
From
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Challenger
175
240
QFP2T200
QFP2T200
Limited Stock
From
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Challenger
200
240
A22040
A22040
Limited Stock
From
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Challenger
40
240
BQ2C015L
BQ2C015L
Limited Stock
From
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Challenger
15
240
BQ2C020
BQ2C020
Limited Stock
From
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Challenger
20
240
BQ2C020L
BQ2C020L
Limited Stock
From
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Challenger
20
240
BQ2C030L
BQ2C030L
Limited Stock
From
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Challenger
30
240
BQ2C040L
BQ2C040L
Limited Stock
From
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Challenger
40
240
BQ2C050
BQ2C050
Limited Stock
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Challenger
50
240
BQ2C050L
BQ2C050L
Limited Stock
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Challenger
50
240
BQ2C060L
BQ2C060L
Limited Stock
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Challenger
60
240
BQ2C070L
BQ2C070L
Limited Stock
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Challenger
70
240
BQ2C080
BQ2C080
Limited Stock
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Challenger
80
240
BQ2C080L
BQ2C080L
Limited Stock
From
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Challenger
80
240
BQ2C090L
BQ2C090L
Limited Stock
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Challenger
90
240
BQ2C100L
BQ2C100L
Limited Stock
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Challenger
100
240
CB2200
CB2200
Limited Stock
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Challenger
200
240
CBB1010S
CBB1010S
Limited Stock
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Cutler Hammer
10
240
CBB1015
CBB1015
Limited Stock
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Challenger
15
240
CBB1015S
CBB1015S
Limited Stock
From
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Challenger
15
240
CBB1020S
CBB1020S
Limited Stock
From
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Challenger
20
240
CBB1025
CBB1025
Limited Stock
From
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Cutler Hammer
25
240
CBB1025S
CBB1025S
Limited Stock
From
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Cutler Hammer
25
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.