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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
FG3175A12S03
FG3175A12S03
Limited Stock
From
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Westinghouse
175
600
FG3175S01
FG3175S01
Limited Stock
From
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Westinghouse
175
600
FG3200A12S03
FG3200A12S03
Limited Stock
From
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Eaton
200
600
FG3225A12S03
FG3225A12S03
Limited Stock
From
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Westinghouse
225
600
FG3225S02
FG3225S02
Limited Stock
From
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Westinghouse
225
600
FG3225S18
FG3225S18
Limited Stock
From
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Westinghouse
225
600
FW3020L
FW3020L
Limited Stock
From
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Westinghouse
20
690
FW3025JL
FW3025JL
Limited Stock
From
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Westinghouse
25
690
FW3025L
FW3025L
Limited Stock
From
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Cutler Hammer
25
690
FW3032L
FW3032L
Limited Stock
From
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Cutler Hammer
32
690
FW3040L
FW3040L
Limited Stock
From
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Westinghouse
40
690
FW3050JL
FW3050JL
Limited Stock
From
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Westinghouse
50
690
FW3050L
FW3050L
Limited Stock
From
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Westinghouse
50
690
FW3063JL
FW3063JL
Limited Stock
From
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Eaton
63
690
FW3063L
FW3063L
Limited Stock
From
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Cutler Hammer
63
690
FW3080JL
FW3080JL
Limited Stock
From
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Cutler Hammer
80
690
FW3080L
FW3080L
Limited Stock
From
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Cutler Hammer
80
690
FW3100JL
FW3100JL
Limited Stock
From
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Cutler Hammer
100
690
FW3125JL
FW3125JL
Limited Stock
From
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Westinghouse
125
690
FW3125L
FW3125L
Limited Stock
From
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Westinghouse
125
690
FW3160JL
FW3160JL
Limited Stock
From
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Westinghouse
160
690
FW3200L
FW3200L
Limited Stock
From
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Cutler Hammer
200
690
FW4050J0L
FW4050J0L
Limited Stock
From
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Westinghouse
50
690
FW4050L
FW4050L
Limited Stock
From
Get Price
Westinghouse
50
690
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.