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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
JB3200VW
JB3200VW
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Westinghouse
200
600
JB3225SV
JB3225SV
Limited Stock
From
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Westinghouse
225
600
JB3225SVW
JB3225SVW
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Westinghouse
225
600
JB3225V
JB3225V
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Westinghouse
225
600
JB3225VW
JB3225VW
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Westinghouse
225
600
JB3250SV
JB3250SV
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Westinghouse
250
600
JB3250SVW
JB3250SVW
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Westinghouse
250
600
JB3250V
JB3250V
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Westinghouse
250
600
JB3250VW
JB3250VW
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Westinghouse
250
600
JDB2070C
JDB2070C
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Eaton
70
600
JDB2070X
JDB2070X
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Westinghouse
70
600
JDB2090C
JDB2090C
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Westinghouse
90
600
JDB2090X
JDB2090X
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Eaton
90
600
JDB2100C
JDB2100C
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Westinghouse
100
600
JDB2100X
JDB2100X
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Westinghouse
100
600
JDB2125C
JDB2125C
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Cutler Hammer
125
600
JDB2150C
JDB2150C
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Cutler Hammer
150
600
JDB2150X
JDB2150X
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Cutler Hammer
150
600
JDB2175C
JDB2175C
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Cutler Hammer
175
600
JDB2175X
JDB2175X
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Westinghouse
175
600
JDB2200C
JDB2200C
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From
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Westinghouse
200
600
JDB2200X
JDB2200X
Limited Stock
From
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Eaton
200
600
JDB2225C
JDB2225C
Limited Stock
From
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Westinghouse
225
600
JDB2225X
JDB2225X
Limited Stock
From
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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.