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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
FWCF4050L
FWCF4050L
Limited Stock
From
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Westinghouse
50
690
FWCF4050L0
FWCF4050L0
Limited Stock
From
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Eaton
50
690
FWCF4063L
FWCF4063L
Limited Stock
From
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Eaton
63
690
FWCF4063L0
FWCF4063L0
Limited Stock
From
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Westinghouse
63
690
FWCF4080L
FWCF4080L
Limited Stock
From
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Westinghouse
80
690
FWCF4080L0
FWCF4080L0
Limited Stock
From
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Westinghouse
80
690
FWCF4100L
FWCF4100L
Limited Stock
From
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Westinghouse
100
690
FWCF4100L0
FWCF4100L0
Limited Stock
From
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Cutler Hammer
100
690
FWCF4125L
FWCF4125L
Limited Stock
From
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Westinghouse
125
690
FWCF4125L0
FWCF4125L0
Limited Stock
From
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Westinghouse
125
690
FWCF4160L
FWCF4160L
Limited Stock
From
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Westinghouse
160
690
FWCF4160L0
FWCF4160L0
Limited Stock
From
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Eaton
160
690
FWCF4175L
FWCF4175L
Limited Stock
From
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Westinghouse
175
690
FWCF4175L0
FWCF4175L0
Limited Stock
From
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Eaton
175
690
FWCF4200L
FWCF4200L
Limited Stock
From
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Eaton
200
690
FWCF4200L0
FWCF4200L0
Limited Stock
From
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Westinghouse
200
690
FWF4016L0
FWF4016L0
Limited Stock
From
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Westinghouse
16
690
FWF4020L0
FWF4020L0
Limited Stock
From
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Cutler Hammer
20
690
FWF4025L0
FWF4025L0
Limited Stock
From
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Westinghouse
25
690
FWF4032L0
FWF4032L0
Limited Stock
From
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Cutler Hammer
32
690
FWF4040L0
FWF4040L0
Limited Stock
From
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Westinghouse
40
690
FWF4050L0
FWF4050L0
Limited Stock
From
Get Price
Cutler Hammer
50
690
FWF4063L0
FWF4063L0
Limited Stock
From
Get Price
Cutler Hammer
63
690
FWF4080L0
FWF4080L0
Limited Stock
From
Get Price
Eaton
80
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.