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Circuit Breaker

For power distribution and electrical protection systems, circuit breakers are among the most critical components for safeguarding equipment, personnel, and facilities from electrical overloads and short circuits. Circuit breakers automatically interrupt electrical current flow when abnormal conditions are detected, protecting circuits from damage while allowing manual reset and continued operation. Electrical.com carries an extensive selection of 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
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Manufacturer
Amperage
Poles
FD4045E
FD4045E
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Westinghouse
45
4
FD4045L
FD4045L
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Eaton
45
4
FD4045V
FD4045V
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Cutler Hammer
45
4
FD4045VL
FD4045VL
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Westinghouse
45
4
FD4050E
FD4050E
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Westinghouse
50
4
FD4050V
FD4050V
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Westinghouse
50
4
FD4050VL
FD4050VL
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Eaton
50
4
FD4060V
FD4060V
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Westinghouse
60
4
FD4060VL
FD4060VL
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Westinghouse
60
4
FD4070V
FD4070V
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Westinghouse
70
4
FD4070VL
FD4070VL
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Cutler Hammer
70
4
FD4080E
FD4080E
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Westinghouse
80
4
FD4080V
FD4080V
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Cutler Hammer
80
4
FD4080VL
FD4080VL
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Westinghouse
80
4
FD4090E
FD4090E
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Eaton
90
4
FD4090V
FD4090V
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Cutler Hammer
90
4
FD4090VL
FD4090VL
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Westinghouse
90
4
FD4100KBP10
FD4100KBP10
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Eaton
100
4
FD4110E
FD4110E
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Westinghouse
110
4
FD4110V
FD4110V
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Westinghouse
110
4
FD4110VL
FD4110VL
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Westinghouse
110
4
FD4125E
FD4125E
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Westinghouse
125
4
FD4125V
FD4125V
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Eaton
125
4
FD4125VL
FD4125VL
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Westinghouse
125
4
Popular Circuit Breaker Manufacturers

Electrical.com stocks the largest inventory of circuit breakers in the world, with over 1 million square feet of new, used, surplus, and re-certified circuit protection equipment available for immediate shipment. From residential to industrial applications, across all voltage and amperage ratings, we have what you need when others say no. Our comprehensive circuit breaker inventory spans all voltage classes, amperage ratings, and pole configurations 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 circuit breakers serve critical applications across manufacturing facilities, commercial buildings, data centers, healthcare facilities, utilities and power generation, industrial plants, residential construction, telecommunications infrastructure, and process control installations.


Whether you're maintaining legacy equipment with obsolete circuit breaker models or sourcing current production components for new electrical systems, our 40+ warehouse locations across the US and Canada ensure rapid delivery to minimize your downtime and keep your operations running. Need 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.

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