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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
ELKD3300
ELKD3300
Limited Stock
From
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Westinghouse
300
480
ELKD3350
ELKD3350
Limited Stock
From
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Westinghouse
350
480
ELKD4200
ELKD4200
Limited Stock
From
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Eaton
200
480
ELKD4225
ELKD4225
Limited Stock
From
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Cutler Hammer
225
480
ELKD4300
ELKD4300
Limited Stock
From
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Westinghouse
300
480
ELKDC3200
ELKDC3200
Limited Stock
From
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Cutler Hammer
200
480
ELKDC3225
ELKDC3225
Limited Stock
From
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Cutler Hammer
225
480
ELKDC3300
ELKDC3300
Limited Stock
From
Get Price
Westinghouse
300
480
ELKDC3350
ELKDC3350
Limited Stock
From
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Cutler Hammer
350
480
ELKDC4200
ELKDC4200
Limited Stock
From
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Westinghouse
200
480
ELKDC4225
ELKDC4225
Limited Stock
From
Get Price
Westinghouse
225
480
ELKDC4300
ELKDC4300
Limited Stock
From
Get Price
Westinghouse
300
480
ELKDC4350
ELKDC4350
Limited Stock
From
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Westinghouse
350
480
ES-3P-125A
ES-3P-125A
Limited Stock
From
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ABB
125
600
ES-3P-175A
ES-3P-175A
Limited Stock
From
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ABB
175
600
ES-3P-200A
ES-3P-200A
Limited Stock
From
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ABB
200
600
ES-3P-225A
ES-3P-225A
Limited Stock
From
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ABB
225
600
ES-3P-70A
ES-3P-70A
Limited Stock
From
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ABB
70
600
ES-3P-80A
ES-3P-80A
Limited Stock
From
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ABB
80
600
ET5754
ET5754
Limited Stock
From
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ITE
-
600
EUSGDA32AT0400
EUSGDA32AT0400
Limited Stock
From
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General Electric
400
240
EUSGHA36AT0400
EUSGHA36AT0400
Limited Stock
From
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General Electric
400
600
EUSGHA36AT0600
EUSGHA36AT0600
Limited Stock
From
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General Electric
600
600
EUSGHC3604L3R
EUSGHC3604L3R
Limited Stock
From
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General Electric
400
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.