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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
KDC3300W
KDC3300W
In Stock
From
$1,712.14
Westinghouse
300
3
KDC3350W
KDC3350W
In Stock
From
$1,468.16
Westinghouse
350
3
KDC3400T52W
KDC3400T52W
In Stock
From
$11,315.56
Eaton
400
3
KDC3400T56W
KDC3400T56W
In Stock
From
$3,779.90
Cutler Hammer
400
3
KDC3400T57WPN
KDC3400T57WPN
Limited Stock
From
Get Price
Westinghouse
400
3
LD3250T107W
LD3250T107W
In Stock
From
$1,908.56
Cutler Hammer
250
3
LD3300X
LD3300X
In Stock
From
$2,962.56
Cutler Hammer
300
3
LD3350
LD3350
In Stock
From
$1,766.63
Westinghouse
350
3
LD3450
LD3450
In Stock
From
$3,156.31
Eaton
450
3
LD3450W
LD3450W
In Stock
From
$2,867.85
Westinghouse
450
3
LD3500W
LD3500W
In Stock
From
$2,822.68
Cutler Hammer
500
3
LD3500Y
LD3500Y
In Stock
From
$4,325.86
Westinghouse
500
3
LD3600C
LD3600C
In Stock
From
$4,380.58
Westinghouse
600
3
LD3600X
LD3600X
In Stock
From
$3,466.73
Cutler Hammer
600
3
LD3600Y
LD3600Y
In Stock
From
$8,498.80
Eaton
600
3
LDB3300
LDB3300
In Stock
From
$2,544.74
Westinghouse
300
3
LDB3350W
LDB3350W
In Stock
From
$2,891.47
Westinghouse
350
3
LDB3400
LDB3400
In Stock
From
$1,835.98
Eaton
400
3
LDB3400W
LDB3400W
In Stock
From
$1,921.20
Westinghouse
400
3
LDB3450
LDB3450
In Stock
From
$5,026.73
Eaton
450
3
LDB3450W
LDB3450W
In Stock
From
$9,320.51
Westinghouse
450
3
LDB3450X
LDB3450X
In Stock
From
$9,320.51
Westinghouse
450
3
LDB3500
LDB3500
In Stock
From
$7,048.03
Eaton
500
3
LDB3500X
LDB3500X
In Stock
From
$4,325.86
Westinghouse
500
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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