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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
LJA34250WU31X
LJA34250WU31X
In Stock
From
$6,231.92
Square D
250
3
LJA36400CU31X
LJA36400CU31X
In Stock
From
$5,561.46
Schneider Electric
400
3
LJA36400CU33X
LJA36400CU33X
In Stock
From
$5,041.82
Schneider Electric
400
3
LJA36600U43X
LJA36600U43X
In Stock
From
$7,649.80
Square D
600
3
LJF36400CU31X
LJF36400CU31X
In Stock
From
$6,465.48
Square D
400
3
LJL36250U33X
LJL36250U33X
In Stock
From
$3,189.82
Square D
250
3
LJL36400CU33X
LJL36400CU33X
In Stock
From
$2,901.95
Square D
400
3
LJL36600M37X
LJL36600M37X
In Stock
From
$521.76
Schneider Electric
600
3
LJL36600U44X
LJL36600U44X
In Stock
From
$9,474.40
Square D
600
3
LLA36250U31X
LLA36250U31X
In Stock
From
$6,976.80
Schneider Electric
250
3
LLA36400U31X
LLA36400U31X
In Stock
From
$6,037.20
Square D
400
3
LLA36400U43X
LLA36400U43X
In Stock
From
$9,803.11
Schneider Electric
400
3
LLA36400U44X
LLA36400U44X
In Stock
From
$9,528.82
Schneider Electric
400
3
LLA36400U53X
LLA36400U53X
In Stock
From
$8,595.49
Square D
400
3
LLA36600U43X
LLA36600U43X
In Stock
From
$10,032.37
Schneider Electric
600
3
LLL36400U31X
LLL36400U31X
In Stock
From
$7,879.20
Square D
400
3
LLL36400U43X
LLL36400U43X
In Stock
From
$6,648.78
Schneider Electric
400
3
LLL36600U31X
LLL36600U31X
In Stock
From
$4,592.34
Schneider Electric
600
3
LLL36600U33X
LLL36600U33X
In Stock
From
$10,062.07
Square D
600
3
LRL36600U31X
LRL36600U31X
In Stock
From
$6,602.38
Schneider Electric
600
3
MGF36400
MGF36400
In Stock
From
$2,453.19
Square D
400
3
MGF36800
MGF36800
In Stock
From
$6,621.26
Square D
800
3
MGL36300
MGL36300
In Stock
From
$3,874.81
Square D
300
3
MGL36400
MGL36400
In Stock
From
$2,037.49
Square D
400
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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