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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
JDB4070W
JDB4070W
Limited Stock
From
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Eaton
70
600
JDB4090W
JDB4090W
Limited Stock
From
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Westinghouse
90
600
JDB4100W
JDB4100W
Limited Stock
From
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Westinghouse
100
600
JDB4125W
JDB4125W
Limited Stock
From
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Eaton
125
600
JDB4150W
JDB4150W
Limited Stock
From
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Eaton
150
600
JDB4175
JDB4175
Limited Stock
From
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Westinghouse
175
600
JDB4175W
JDB4175W
Limited Stock
From
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Eaton
175
600
JDB4200
JDB4200
Limited Stock
From
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Westinghouse
200
600
JDB4200W
JDB4200W
Limited Stock
From
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Cutler Hammer
200
600
JDB4225
JDB4225
Limited Stock
From
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Cutler Hammer
225
600
JDB4225W
JDB4225W
Limited Stock
From
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Eaton
225
600
JDB4250
JDB4250
Limited Stock
From
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Westinghouse
250
600
JDB4250W
JDB4250W
Limited Stock
From
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Cutler Hammer
250
600
JDC2250F
JDC2250F
Limited Stock
From
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Eaton
250
600
JDC3070C
JDC3070C
Limited Stock
From
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Westinghouse
70
600
JDC3150VW
JDC3150VW
Limited Stock
From
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Westinghouse
150
600
JDC3175V
JDC3175V
Limited Stock
From
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Eaton
175
600
JDC3175VW
JDC3175VW
Limited Stock
From
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Eaton
175
600
JDC3200V
JDC3200V
Limited Stock
From
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Westinghouse
200
600
JDC3200VW
JDC3200VW
Limited Stock
From
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Eaton
200
600
JDC3225VW
JDC3225VW
Limited Stock
From
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Westinghouse
225
600
JDC3250V
JDC3250V
Limited Stock
From
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Cutler Hammer
250
600
JDC3250VW
JDC3250VW
Limited Stock
From
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Eaton
250
600
JG3175S41
JG3175S41
Limited Stock
From
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Eaton
175
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.