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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
FD3035YS04
FD3035YS04
Limited Stock
From
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Westinghouse
35
600
FD3040LA02
FD3040LA02
Limited Stock
From
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Eaton
40
600
FD3040YS04
FD3040YS04
Limited Stock
From
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Westinghouse
40
600
FD3045LA02
FD3045LA02
Limited Stock
From
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Eaton
45
600
FD3045YS04
FD3045YS04
Limited Stock
From
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Westinghouse
45
600
FD3050LA02
FD3050LA02
Limited Stock
From
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Eaton
50
600
FD3050YS04
FD3050YS04
Limited Stock
From
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Westinghouse
50
600
FD3060LA02
FD3060LA02
Limited Stock
From
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Westinghouse
60
600
FD3060YS04
FD3060YS04
Limited Stock
From
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Westinghouse
60
600
FD3070LA02
FD3070LA02
Limited Stock
From
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Eaton
70
600
FD3070YS04
FD3070YS04
Limited Stock
From
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Eaton
70
600
FD3080LA02
FD3080LA02
Limited Stock
From
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Cutler Hammer
80
600
FD3080YS04
FD3080YS04
Limited Stock
From
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Westinghouse
80
600
FD3090LA02
FD3090LA02
Limited Stock
From
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Eaton
90
600
FD3090YS04
FD3090YS04
Limited Stock
From
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Eaton
90
600
FD3100LA02
FD3100LA02
Limited Stock
From
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Westinghouse
100
600
FD3100YS04
FD3100YS04
Limited Stock
From
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Westinghouse
100
600
FD3110LA02
FD3110LA02
Limited Stock
From
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Eaton
110
600
FD3110VL
FD3110VL
Limited Stock
From
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Westinghouse
110
600
FD3110YS04
FD3110YS04
Limited Stock
From
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Cutler Hammer
110
600
FD3125YS04
FD3125YS04
Limited Stock
From
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Eaton
125
600
FD3150YS04
FD3150YS04
Limited Stock
From
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Eaton
150
600
FD3175VW
FD3175VW
Limited Stock
From
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Eaton
175
600
FD3175YS04
FD3175YS04
Limited Stock
From
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Cutler Hammer
175
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.