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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
CFV3050L
CFV3050L
Limited Stock
From
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Challenger
50
600
CFV3060L
CFV3060L
Limited Stock
From
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Challenger
60
600
CFV3070L
CFV3070L
Limited Stock
From
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Challenger
70
600
CFV3080L
CFV3080L
Limited Stock
From
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Challenger
80
600
CFV3090L
CFV3090L
Limited Stock
From
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Challenger
90
600
CFV3100L
CFV3100L
Limited Stock
From
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Challenger
100
600
CFV3110L
CFV3110L
Limited Stock
From
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Challenger
110
600
CFV3125L
CFV3125L
Limited Stock
From
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Challenger
125
600
CFV3150L
CFV3150L
Limited Stock
From
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Challenger
150
600
CK2400F
CK2400F
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Challenger
400
600
CKC3400F
CKC3400F
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From
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Challenger
400
600
HQFP242003
HQFP242003
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From
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Challenger
200
240
SJK355600TF
SJK355600TF
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Challenger
600
600
SJK3F250
SJK3F250
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Challenger
250
600
SKM2C1000M
SKM2C1000M
Limited Stock
From
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Sylvania
1000
600
SKM2C1200
SKM2C1200
Limited Stock
From
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Challenger
1200
600
SKM2C1200M
SKM2C1200M
Limited Stock
From
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Sylvania
1200
600
SKM2C800
SKM2C800
Limited Stock
From
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Challenger
800
600
SKM2C800M
SKM2C800M
Limited Stock
From
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Sylvania
800
600
SKM2F1200
SKM2F1200
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From
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Challenger
1200
600
SKM3C1000M
SKM3C1000M
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From
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Sylvania
1000
600
SKM3C1200M
SKM3C1200M
Limited Stock
From
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Challenger
1200
600
SKM3C800M
SKM3C800M
Limited Stock
From
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Challenger
800
600
SKM3SS1200NA
SKM3SS1200NA
Limited Stock
From
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Challenger
1200
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.