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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
CJH3125
CJH3125
Limited Stock
From
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Challenger
125
600
CJH3250
CJH3250
Limited Stock
From
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Challenger
250
600
CJS2070
CJS2070
Limited Stock
From
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Challenger
70
600
CJS2080
CJS2080
Limited Stock
From
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Challenger
80
600
CJS2090
CJS2090
Limited Stock
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Challenger
90
600
CJS2100
CJS2100
Limited Stock
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Challenger
100
600
CJS2125
CJS2125
Limited Stock
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Challenger
125
600
CJS2150
CJS2150
Limited Stock
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Challenger
150
600
CJS2175
CJS2175
Limited Stock
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Challenger
175
600
CJS2200
CJS2200
Limited Stock
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Challenger
200
600
CJS2225
CJS2225
Limited Stock
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Challenger
225
600
CJS2250
CJS2250
Limited Stock
From
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Challenger
250
600
CJS3070
CJS3070
Limited Stock
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Challenger
70
600
CJS3080
CJS3080
Limited Stock
From
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Challenger
80
600
CJS3090
CJS3090
Limited Stock
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Challenger
90
600
CJS3100
CJS3100
Limited Stock
From
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Challenger
100
600
CJS3125
CJS3125
Limited Stock
From
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Challenger
125
600
CJS3175
CJS3175
Limited Stock
From
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Challenger
175
600
CJS3200
CJS3200
Limited Stock
From
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Challenger
200
600
CJS3250
CJS3250
Limited Stock
From
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Challenger
250
600
CJV2070
CJV2070
Limited Stock
From
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Challenger
70
600
CJV2080
CJV2080
Limited Stock
From
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Challenger
80
600
CJV2090
CJV2090
Limited Stock
From
Get Price
Challenger
90
600
CJV2100
CJV2100
Limited Stock
From
Get Price
Challenger
100
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.