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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
E2F3060
E2F3060
Limited Stock
From
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Eaton
60
600
E2F3070
E2F3070
Limited Stock
From
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Cutler Hammer
70
600
E2F3080
E2F3080
Limited Stock
From
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Westinghouse
80
600
E2F3090
E2F3090
Limited Stock
From
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Westinghouse
90
600
E2F3100
E2F3100
Limited Stock
From
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Cutler Hammer
100
600
E2FM050KM
E2FM050KM
Limited Stock
From
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Eaton
50
1000
E2FM050YM
E2FM050YM
Limited Stock
From
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Cutler Hammer
50
1000
E2FM070MM
E2FM070MM
Limited Stock
From
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Westinghouse
70
1000
E2FM100KM
E2FM100KM
Limited Stock
From
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Eaton
100
1000
E2FM100RM
E2FM100RM
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From
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Westinghouse
100
1000
E2FM3020
E2FM3020
Limited Stock
From
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Cutler Hammer
20
1000
E2FM3025
E2FM3025
Limited Stock
From
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Westinghouse
25
1000
E2FM3040
E2FM3040
Limited Stock
From
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Eaton
40
1000
E2FM3050
E2FM3050
Limited Stock
From
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Eaton
50
1000
E2FM3060
E2FM3060
Limited Stock
From
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Westinghouse
60
1000
E2FM3070
E2FM3070
Limited Stock
From
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Westinghouse
70
1000
E2FM3080
E2FM3080
Limited Stock
From
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Westinghouse
80
1000
E2FM3100
E2FM3100
Limited Stock
From
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Eaton
100
1000
E2J3100
E2J3100
Limited Stock
From
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Eaton
100
600
E2J3100W
E2J3100W
Limited Stock
From
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Eaton
100
600
E2J3200WA06
E2J3200WA06
Limited Stock
From
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Westinghouse
200
600
E2J3250
E2J3250
Limited Stock
From
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Eaton
250
600
E2J3250F
E2J3250F
Limited Stock
From
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Eaton
250
1000
E2J3250MAW
E2J3250MAW
Limited Stock
From
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Cutler Hammer
250
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.