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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
MDH2200T
MDH2200T
Limited Stock
From
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Crouse-Hinds
200
240
MDH2200V
MDH2200V
Limited Stock
From
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Crouse-Hinds
200
240
MDH2225
MDH2225
Limited Stock
From
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Murray Corporation
225
240
MDH2225H
MDH2225H
Limited Stock
From
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Murray Corporation
225
240
MDH2225T
MDH2225T
Limited Stock
From
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Crouse-Hinds
225
240
MDH2225V
MDH2225V
Limited Stock
From
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Murray Corporation
225
240
MDS2800F
MDS2800F
Limited Stock
From
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Westinghouse
800
600
MDS2800WK
MDS2800WK
Limited Stock
From
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Cutler Hammer
800
600
MDS3800WK
MDS3800WK
Limited Stock
From
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Cutler Hammer
800
600
MDSCA3800F
MDSCA3800F
Limited Stock
From
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Eaton
800
600
MDSCG3800F
MDSCG3800F
Limited Stock
From
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Westinghouse
800
600
MDSCGA3800F
MDSCGA3800F
Limited Stock
From
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Cutler Hammer
800
600
MDSG2800F
MDSG2800F
Limited Stock
From
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Eaton
800
600
MDSG3800F
MDSG3800F
Limited Stock
From
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Westinghouse
800
600
MDSGA2800F
MDSGA2800F
Limited Stock
From
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Eaton
800
600
MDSGA3800F
MDSGA3800F
Limited Stock
From
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Eaton
800
600
MDSY2800F
MDSY2800F
Limited Stock
From
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Eaton
800
240
MDSY3800F
MDSY3800F
Limited Stock
From
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Westinghouse
800
240
MDSYA2800F
MDSYA2800F
Limited Stock
From
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Eaton
800
240
MDSYG2800F
MDSYG2800F
Limited Stock
From
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Westinghouse
800
240
MDSYG3800F
MDSYG3800F
Limited Stock
From
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Eaton
800
240
MDSYGA2800F
MDSYGA2800F
Limited Stock
From
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Westinghouse
800
240
MDSYGA3800F
MDSYGA3800F
Limited Stock
From
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Cutler Hammer
800
240
MDY2450
MDY2450
Limited Stock
From
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Eaton
450
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.