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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
JDB2250C
JDB2250C
Limited Stock
From
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Cutler Hammer
250
600
JDB2250X
JDB2250X
Limited Stock
From
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Westinghouse
250
600
JDB3070VW
JDB3070VW
Limited Stock
From
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Westinghouse
70
600
JDB3090VW
JDB3090VW
Limited Stock
From
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Westinghouse
90
600
JDB3100VW
JDB3100VW
Limited Stock
From
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Westinghouse
100
600
JDB3125VW
JDB3125VW
Limited Stock
From
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Westinghouse
125
600
JDB3175VW
JDB3175VW
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From
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Eaton
175
600
JDB3200VW
JDB3200VW
Limited Stock
From
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Westinghouse
200
600
JDB3225VW
JDB3225VW
Limited Stock
From
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Cutler Hammer
225
600
JDB3250VW
JDB3250VW
Limited Stock
From
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Eaton
225
600
JDB4070
JDB4070
Limited Stock
From
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Westinghouse
70
600
JDB4090
JDB4090
Limited Stock
From
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Cutler Hammer
90
600
JDB4100
JDB4100
Limited Stock
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Westinghouse
100
600
JDB4125
JDB4125
Limited Stock
From
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Cutler Hammer
125
600
JDB4250KW
JDB4250KW
Limited Stock
From
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Westinghouse
250
600
JDC3070S41
JDC3070S41
Limited Stock
From
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Westinghouse
70
600
JDC3090S41
JDC3090S41
Limited Stock
From
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Westinghouse
90
600
JDC3100S41
JDC3100S41
Limited Stock
From
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Westinghouse
100
600
JDC3125S41
JDC3125S41
Limited Stock
From
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Westinghouse
125
600
JDC3150S41
JDC3150S41
Limited Stock
From
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Cutler Hammer
150
600
JDC3150V
JDC3150V
Limited Stock
From
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Eaton
150
600
JDC3175S41
JDC3175S41
Limited Stock
From
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Cutler Hammer
175
600
JDC3200S41
JDC3200S41
Limited Stock
From
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Cutler Hammer
200
600
JDC3225S41
JDC3225S41
Limited Stock
From
Get Price
Westinghouse
225
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.