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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
KD3150Y
KD3150Y
In Stock
From
$1,100.60
Westinghouse
150
3
KD3175X
KD3175X
In Stock
From
$989.08
Eaton
175
3
KD3175Y
KD3175Y
In Stock
From
$989.08
Eaton
175
3
KD3200X
KD3200X
In Stock
From
$1,868.69
Westinghouse
200
3
KD3200Y
KD3200Y
In Stock
From
$1,306.92
Eaton
200
3
KD3225Y
KD3225Y
In Stock
From
$1,957.36
Westinghouse
225
3
KD3250X
KD3250X
In Stock
From
$1,285.67
Eaton
250
3
KD3250Y
KD3250Y
In Stock
From
$1,334.73
Cutler Hammer
250
3
KD3300X
KD3300X
In Stock
From
$855.16
Westinghouse
300
3
KD3350X
KD3350X
In Stock
From
$1,002.33
Cutler Hammer
350
3
KD3350Y
KD3350Y
In Stock
From
$1,704.49
Eaton
350
3
KD4100W
KD4100W
In Stock
From
$874.02
Cutler Hammer
100
4
KD4125W
KD4125W
In Stock
From
$2,288.71
Eaton
125
4
KD4150
KD4150
In Stock
From
$2,200.43
Westinghouse
150
4
KD4150W
KD4150W
In Stock
From
$1,031.51
Cutler Hammer
150
4
KD4175
KD4175
In Stock
From
$2,045.00
Eaton
175
4
KD4175W
KD4175W
In Stock
From
$1,842.70
Westinghouse
175
4
KD4200W
KD4200W
In Stock
From
$1,639.76
Eaton
200
4
KD4225
KD4225
In Stock
From
$566.43
Eaton
225
4
KD4225W
KD4225W
In Stock
From
$477.78
Cutler Hammer
225
4
KD4250W
KD4250W
In Stock
From
$1,077.67
Cutler Hammer
250
4
KD4300W
KD4300W
In Stock
From
$1,878.18
Westinghouse
300
4
KD4350W
KD4350W
In Stock
From
$1,627.62
Eaton
350
4
KDB3125L
KDB3125L
In Stock
From
$934.01
Eaton
125
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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