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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
369D055G17
369D055G17
Limited Stock
From
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Westinghouse
70
600
369D055G18
369D055G18
Limited Stock
From
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Westinghouse
90
600
369D055G19
369D055G19
Limited Stock
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Westinghouse
100
600
BRHN130GF
BRHN130GF
Limited Stock
From
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Cutler Hammer
30
120
E2J3125
E2J3125
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Eaton
125
600
E2J3125W
E2J3125W
Limited Stock
From
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Westinghouse
125
600
E2J3175
E2J3175
Limited Stock
From
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Cutler Hammer
175
600
E2J3175W
E2J3175W
Limited Stock
From
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Westinghouse
175
600
E2J3225DW
E2J3225DW
Limited Stock
From
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Westinghouse
225
600
E2JM3125
E2JM3125
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From
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Cutler Hammer
125
1000
E2JM3125W
E2JM3125W
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From
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Cutler Hammer
125
1000
E2JM3150W
E2JM3150W
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From
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Westinghouse
150
1000
E2JM3175
E2JM3175
Limited Stock
From
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Westinghouse
175
1000
E2JM3175W
E2JM3175W
Limited Stock
From
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Cutler Hammer
175
1000
E2JM3200
E2JM3200
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From
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Eaton
200
1000
E2JM3200W
E2JM3200W
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From
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Eaton
200
1000
E2JM3225
E2JM3225
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Cutler Hammer
225
1000
E2JM3225A
E2JM3225A
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Westinghouse
225
1000
E2JM3225DW
E2JM3225DW
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From
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Eaton
225
1000
E2JM3225W
E2JM3225W
Limited Stock
From
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Westinghouse
225
1000
E2K3125W
E2K3125W
Limited Stock
From
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Westinghouse
125
600
E2K3175W
E2K3175W
Limited Stock
From
Get Price
Cutler Hammer
175
600
E2K3200W
E2K3200W
Limited Stock
From
Get Price
Cutler Hammer
200
600
E2K3225DW
E2K3225DW
Limited Stock
From
Get Price
Eaton
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.