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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
FDB4015V
FDB4015V
Limited Stock
From
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Cutler Hammer
15
600
FDB4020E
FDB4020E
Limited Stock
From
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Westinghouse
20
600
FDB4020V
FDB4020V
Limited Stock
From
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Eaton
20
600
FDB4025V
FDB4025V
Limited Stock
From
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Cutler Hammer
25
600
FDB4030E
FDB4030E
Limited Stock
From
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Westinghouse
30
600
FDB4035E
FDB4035E
Limited Stock
From
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Westinghouse
35
600
FDB4040E
FDB4040E
Limited Stock
From
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Westinghouse
40
600
FDB4045E
FDB4045E
Limited Stock
From
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Eaton
45
600
FDB4050E
FDB4050E
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From
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Eaton
50
600
FDB4060E
FDB4060E
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From
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Westinghouse
60
600
FDB4070E
FDB4070E
Limited Stock
From
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Westinghouse
70
600
FDB4080E
FDB4080E
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From
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Westinghouse
80
600
FDB4090E
FDB4090E
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Cutler Hammer
90
600
FDB4100E
FDB4100E
Limited Stock
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Eaton
100
600
FDB4110E
FDB4110E
Limited Stock
From
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Westinghouse
110
600
FDB4125E
FDB4125E
Limited Stock
From
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Westinghouse
125
600
FDB4150E
FDB4150E
Limited Stock
From
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Westinghouse
150
600
FDB4175
FDB4175
Limited Stock
From
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Westinghouse
175
600
FDB4175L
FDB4175L
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Eaton
175
600
FDB4200
FDB4200
Limited Stock
From
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Westinghouse
200
600
FDB4200L
FDB4200L
Limited Stock
From
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Eaton
200
600
FDB4225
FDB4225
Limited Stock
From
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Eaton
225
600
FDB4225L
FDB4225L
Limited Stock
From
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Eaton
225
600
FDC2015VL
FDC2015VL
Limited Stock
From
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Westinghouse
15
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.