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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
FW4063J0L
FW4063J0L
Limited Stock
From
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Cutler Hammer
63
690
FW4063L
FW4063L
Limited Stock
From
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Cutler Hammer
63
690
FW4080J0L
FW4080J0L
Limited Stock
From
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Westinghouse
80
690
FW4080L
FW4080L
Limited Stock
From
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Eaton
80
690
FW4100J0L
FW4100J0L
Limited Stock
From
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Westinghouse
100
690
FW4100L
FW4100L
Limited Stock
From
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Cutler Hammer
100
690
FW4125J0L
FW4125J0L
Limited Stock
From
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Westinghouse
125
690
FW4125L
FW4125L
Limited Stock
From
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Westinghouse
125
690
FW4160J0L
FW4160J0L
Limited Stock
From
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Cutler Hammer
160
690
FW4160L
FW4160L
Limited Stock
From
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Eaton
160
690
FW4200J0L
FW4200J0L
Limited Stock
From
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Cutler Hammer
2000
690
FWC3020JL
FWC3020JL
Limited Stock
From
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Cutler Hammer
20
690
FWC3020L
FWC3020L
Limited Stock
From
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Westinghouse
20
690
FWC3025JL
FWC3025JL
Limited Stock
From
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Eaton
25
690
FWC3032JL
FWC3032JL
Limited Stock
From
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Westinghouse
32
690
FWC3032L
FWC3032L
Limited Stock
From
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Westinghouse
32
690
FWC3040JL
FWC3040JL
Limited Stock
From
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Cutler Hammer
40
690
FWC3050L
FWC3050L
Limited Stock
From
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Westinghouse
50
690
FWC3063L
FWC3063L
Limited Stock
From
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Eaton
63
690
FWC3080L
FWC3080L
Limited Stock
From
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Westinghouse
80
690
FWC3100L
FWC3100L
Limited Stock
From
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Westinghouse
100
690
FWC3125JL
FWC3125JL
Limited Stock
From
Get Price
Westinghouse
125
690
FWC3125L
FWC3125L
Limited Stock
From
Get Price
Westinghouse
125
690
FWC3160L
FWC3160L
Limited Stock
From
Get Price
Westinghouse
160
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.