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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
CJV2125
CJV2125
Limited Stock
From
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Challenger
125
600
CJV2150
CJV2150
Limited Stock
From
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Challenger
150
600
CJV2175
CJV2175
Limited Stock
From
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Challenger
175
600
CJV2200
CJV2200
Limited Stock
From
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Challenger
200
600
CJV2225
CJV2225
Limited Stock
From
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Challenger
225
600
CJV2250
CJV2250
Limited Stock
From
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Challenger
250
600
CJV3070
CJV3070
Limited Stock
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Challenger
70
600
CJV3080
CJV3080
Limited Stock
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Challenger
80
600
CJV3090
CJV3090
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Challenger
90
600
CJV3100
CJV3100
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Challenger
100
600
CJV3125
CJV3125
Limited Stock
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Challenger
125
600
CJV3150
CJV3150
Limited Stock
From
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Challenger
150
600
CJV3200
CJV3200
Limited Stock
From
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Challenger
200
600
CJV3225
CJV3225
Limited Stock
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Challenger
225
600
CJV3250
CJV3250
Limited Stock
From
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Challenger
250
600
CK2125
CK2125
Limited Stock
From
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Challenger
125
600
CK2150
CK2150
Limited Stock
From
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Challenger
150
600
CK2175
CK2175
Limited Stock
From
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Challenger
175
600
CK2200
CK2200
Limited Stock
From
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Challenger
200
600
CK2225
CK2225
Limited Stock
From
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Challenger
225
600
CK2250
CK2250
Limited Stock
From
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Challenger
250
600
CK2300
CK2300
Limited Stock
From
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Challenger
300
600
CK2350
CK2350
Limited Stock
From
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Challenger
350
600
CKH2100
CKH2100
Limited Stock
From
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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.