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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
LD63B500
LD63B500
In Stock
From
$1,798.68
Siemens
500
3
LD63B600L
LD63B600L
In Stock
From
$2,711.03
Siemens
600
3
LD63S600A
LD63S600A
In Stock
From
$2,711.03
Siemens
600
3
LDB3300W
LDB3300W
In Stock
From
$2,962.56
Cutler Hammer
300
3
LDB3300X
LDB3300X
In Stock
From
$1,713.01
Eaton
300
3
LDB3300Y
LDB3300Y
In Stock
From
$2,544.74
Westinghouse
300
3
LDB3350
LDB3350
In Stock
From
$1,735.61
Westinghouse
350
3
LDB3350X
LDB3350X
In Stock
From
$2,891.47
Westinghouse
350
3
LDB3350Y
LDB3350Y
In Stock
From
$2,891.47
Westinghouse
350
3
LDB3400X
LDB3400X
In Stock
From
$1,921.20
Westinghouse
400
3
LDB3400Y
LDB3400Y
In Stock
From
$1,565.34
Cutler Hammer
400
3
LDB3450Y
LDB3450Y
In Stock
From
$2,867.85
Westinghouse
450
3
LDB3500Y
LDB3500Y
In Stock
From
$4,325.86
Westinghouse
500
3
LDB3600Y
LDB3600Y
In Stock
From
$4,380.58
Westinghouse
600
3
LDC3300W
LDC3300W
In Stock
From
$2,679.38
Cutler Hammer
300
3
LDC3300X
LDC3300X
In Stock
From
$5,055.64
Eaton
300
3
LDC3300Y
LDC3300Y
In Stock
From
Get Price
Westinghouse
300
3
LDC3350W
LDC3350W
In Stock
From
Get Price
Westinghouse
350
3
LDC3350X
LDC3350X
In Stock
From
$3,058.70
Eaton
350
3
LDC3350Y
LDC3350Y
In Stock
From
$2,566.82
Cutler Hammer
350
3
LDC3400W
LDC3400W
In Stock
From
$2,951.45
Eaton
400
3
LDC3400X
LDC3400X
In Stock
From
$19,846.27
Westinghouse
400
3
LDC3400Y
LDC3400Y
In Stock
From
$6,106.55
Westinghouse
400
3
LDC3450W
LDC3450W
In Stock
From
$3,045.06
Cutler Hammer
450
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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