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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
E2NM3800W
E2NM3800W
Limited Stock
From
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Cutler Hammer
800
1000
E2R316T33W
E2R316T33W
Limited Stock
From
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Westinghouse
1600
600
E2RM320T33W
E2RM320T33W
Limited Stock
From
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Westinghouse
2000
1000
ED3175A04
ED3175A04
Limited Stock
From
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Westinghouse
175
240
ED3175C05S06
ED3175C05S06
Limited Stock
From
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Cutler Hammer
175
240
ED3175D11C05S06
ED3175D11C05S06
Limited Stock
From
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Westinghouse
175
240
ED3175H08
ED3175H08
Limited Stock
From
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Cutler Hammer
175
240
ED3175I
ED3175I
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From
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Westinghouse
175
240
ED3175J01
ED3175J01
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From
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Eaton
175
240
ED3175LA02S18
ED3175LA02S18
Limited Stock
From
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Cutler Hammer
175
240
ED3175LS
ED3175LS
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Eaton
175
240
ED3175LS01
ED3175LS01
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Westinghouse
175
240
ED3175LS02
ED3175LS02
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Westinghouse
175
240
ED3175S05
ED3175S05
Limited Stock
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Eaton
175
240
ED3175S06
ED3175S06
Limited Stock
From
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Eaton
175
240
ED3175S22
ED3175S22
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From
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Eaton
175
240
ED3175VL
ED3175VL
Limited Stock
From
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Westinghouse
175
240
ED3175VWH09
ED3175VWH09
Limited Stock
From
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Eaton
175
240
ED3175WC05S06
ED3175WC05S06
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From
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Cutler Hammer
175
240
ED3175Y
ED3175Y
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From
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Eaton
175
240
EGB1020FFG
EGB1020FFG
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From
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Eaton
20
240
EGB2015FFB
EGB2015FFB
Limited Stock
From
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Eaton
15
480
EGB2060FFB
EGB2060FFB
Limited Stock
From
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Eaton
60
480
EGB3045FFB
EGB3045FFB
Limited Stock
From
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Eaton
45
480
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.