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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.
Popular Categories
SORT BY
Part Number
PRICE
Manufacturer
Amperage
Poles
KD3400W
KD3400W
In Stock
From
$1,020.72
Westinghouse
400
3
KD3400X
KD3400X
In Stock
From
$1,018.38
Cutler Hammer
400
3
KDB3150
KDB3150
In Stock
From
$1,621.30
Eaton
150
3
KDB3150W
KDB3150W
In Stock
From
$1,337.42
Westinghouse
150
3
KDB3225
KDB3225
In Stock
From
$1,957.36
Westinghouse
225
3
KDB3250W
KDB3250W
In Stock
From
$1,285.67
Eaton
250
3
KDB3300
KDB3300
In Stock
From
$1,611.68
Westinghouse
300
3
KDB3300W
KDB3300W
In Stock
From
$1,249.35
Westinghouse
300
3
KDB3350W
KDB3350W
In Stock
From
$1,704.49
Eaton
350
3
KDB3400
KDB3400
In Stock
From
$1,934.68
Eaton
400
3
KDB3400W
KDB3400W
In Stock
From
$1,089.39
Eaton
400
3
KDC3400F
KDC3400F
In Stock
From
$1,738.54
Eaton
400
3
KDC3400W
KDC3400W
In Stock
From
$1,674.26
Cutler Hammer
400
3
KG3400
KG3400
In Stock
From
$3,664.03
Eaton
400
3
LD3300
LD3300
In Stock
From
$2,894.65
Westinghouse
300
3
LD3400
LD3400
In Stock
From
$1,911.23
Eaton
400
3
LD3500
LD3500
In Stock
From
$2,474.23
Eaton
500
3
LD3600
LD3600
In Stock
From
$2,377.73
Eaton
600
3
LD3600F
LD3600F
In Stock
From
$2,258.84
Eaton
600
3
LD3600WK
LD3600WK
In Stock
From
$2,258.84
Eaton
600
3
LDB3500W
LDB3500W
In Stock
From
$2,674.17
Eaton
500
3
LDB3600
LDB3600
In Stock
From
$3,042.97
Westinghouse
600
3
LDB3600FT36W
LDB3600FT36W
In Stock
From
$3,957.40
Eaton
600
3
LDB3600W
LDB3600W
In Stock
From
$4,380.58
Westinghouse
600
3
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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