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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
E2N3800MWU66
E2N3800MWU66
Limited Stock
From
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Cutler Hammer
800
600
E2N3800WU66
E2N3800WU66
Limited Stock
From
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Westinghouse
800
600
E2N3900WU66
E2N3900WU66
Limited Stock
From
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Westinghouse
900
600
E2NM312MW
E2NM312MW
Limited Stock
From
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Westinghouse
1200
1000
E2NM312W
E2NM312W
Limited Stock
From
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Westinghouse
1200
1000
E2NM3600W
E2NM3600W
Limited Stock
From
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Westinghouse
600
1000
ED2015
ED2015
Limited Stock
From
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Cutler Hammer
15
240
ED2025
ED2025
Limited Stock
From
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Cutler Hammer
25
240
ED2030L
ED2030L
Limited Stock
From
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Eaton
30
240
ED2035
ED2035
Limited Stock
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Westinghouse
35
240
ED2050
ED2050
Limited Stock
From
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Westinghouse
50
240
ED2100Y
ED2100Y
Limited Stock
From
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Eaton
100
240
ED2125LBP10
ED2125LBP10
Limited Stock
From
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Eaton
125
240
ED2125W
ED2125W
Limited Stock
From
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Eaton
125
240
ED2125Y
ED2125Y
Limited Stock
From
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Eaton
125
240
ED2150W
ED2150W
Limited Stock
From
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Eaton
150
240
ED2175LBP10
ED2175LBP10
Limited Stock
From
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Eaton
175
240
ED2175W
ED2175W
Limited Stock
From
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Eaton
175
240
ED2175Y
ED2175Y
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Eaton
175
240
ED2200W
ED2200W
Limited Stock
From
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Eaton
200
240
ED2200Y
ED2200Y
Limited Stock
From
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Eaton
200
240
ED2225LBP10
ED2225LBP10
Limited Stock
From
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Eaton
225
240
ED2225W
ED2225W
Limited Stock
From
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Eaton
225
240
ED3050BP10
ED3050BP10
Limited Stock
From
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Eaton
50
240
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.