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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
LA34225MC
LA34225MC
In Stock
From
$1,916.67
Square D
225
3
LA362501212
LA362501212
In Stock
From
$3,537.65
Square D
250
3
LAR36200
LAR36200
In Stock
From
$1,401.85
Square D
200
3
LD3300W
LD3300W
In Stock
From
$2,544.74
Westinghouse
300
3
LD3300Y
LD3300Y
In Stock
From
$1,713.01
Eaton
300
3
LD3350W
LD3350W
In Stock
From
$2,891.47
Westinghouse
350
3
LD3350X
LD3350X
In Stock
From
$1,765.80
Cutler Hammer
350
3
LD3350Y
LD3350Y
In Stock
From
$2,891.47
Westinghouse
350
3
LD3400W
LD3400W
In Stock
From
$1,921.20
Westinghouse
400
3
LD3400X
LD3400X
In Stock
From
$1,921.20
Westinghouse
400
3
LD3400Y
LD3400Y
In Stock
From
$1,921.20
Westinghouse
400
3
LD3450X
LD3450X
In Stock
From
$1,997.17
Cutler Hammer
450
3
LD3450Y
LD3450Y
In Stock
From
$9,320.51
Westinghouse
450
3
LD3500X
LD3500X
In Stock
From
$4,325.86
Westinghouse
500
3
LD3600LS
LD3600LS
In Stock
From
$2,038.43
Eaton
600
3
LD3600W
LD3600W
In Stock
From
$4,380.58
Westinghouse
600
3
LD63B250
LD63B250
In Stock
From
$2,439.64
Siemens
250
3
LD63B250L
LD63B250L
In Stock
From
$1,122.24
Siemens
250
3
LD63B300
LD63B300
In Stock
From
$2,277.81
Siemens
300
3
LD63B300L
LD63B300L
In Stock
From
$2,933.60
Siemens
300
3
LD63B350
LD63B350
In Stock
From
$1,714.93
Siemens
350
3
LD63B400
LD63B400
In Stock
From
$1,719.90
Siemens
400
3
LD63B450
LD63B450
In Stock
From
$1,615.54
Siemens
450
3
LD63B450L
LD63B450L
In Stock
From
$1,615.54
Siemens
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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