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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
KDC3100X
KDC3100X
In Stock
From
$1,018.27
Westinghouse
100
3
KDC3100Y
KDC3100Y
In Stock
From
$1,018.27
Westinghouse
100
3
KDC3125X
KDC3125X
In Stock
From
$2,507.32
Westinghouse
125
3
KDC3125Y
KDC3125Y
In Stock
From
$2,507.32
Westinghouse
125
3
KDC3150X
KDC3150X
In Stock
From
$2,436.92
Eaton
150
3
KDC3150Y
KDC3150Y
In Stock
From
$4,871.48
Westinghouse
150
3
KDC3175X
KDC3175X
In Stock
From
$2,147.16
Eaton
175
3
KDC3175Y
KDC3175Y
In Stock
From
$3,150.26
Westinghouse
175
3
KDC3200X
KDC3200X
In Stock
From
$2,008.43
Eaton
200
3
KDC3225X
KDC3225X
In Stock
From
$2,202.97
Eaton
225
3
KDC3225Y
KDC3225Y
In Stock
From
$2,202.97
Eaton
225
3
KDC3250X
KDC3250X
In Stock
From
$3,114.71
Westinghouse
250
3
KDC3250Y
KDC3250Y
In Stock
From
$2,053.14
Eaton
250
3
KDC3300L
KDC3300L
In Stock
From
$1,169.21
Eaton
300
3
KDC3300X
KDC3300X
In Stock
From
$1,698.10
Westinghouse
300
3
KDC3300Y
KDC3300Y
In Stock
From
$5,055.64
Eaton
300
3
KDC3350L
KDC3350L
In Stock
From
$1,157.63
Cutler Hammer
350
3
KDC3350X
KDC3350X
In Stock
From
$3,058.70
Eaton
350
3
KDC3350Y
KDC3350Y
In Stock
From
$3,058.70
Eaton
350
3
KDC3400L
KDC3400L
In Stock
From
$2,951.45
Eaton
400
3
KDC3400X
KDC3400X
In Stock
From
$2,107.88
Cutler Hammer
400
3
KDC3400Y
KDC3400Y
In Stock
From
$2,118.50
Cutler Hammer
400
3
KG3300S43
KG3300S43
In Stock
From
$625.29
Eaton
300
3
LD3300W
LD3300W
In Stock
From
$2,544.74
Westinghouse
300
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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