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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
JJA36250
JJA36250
In Stock
From
$2,655.11
Schneider Electric
250
3
JLA36250U31X
JLA36250U31X
In Stock
From
$3,814.35
Square D
250
3
JLA36250U33X
JLA36250U33X
In Stock
From
$5,395.00
Square D
250
3
LA36150
LA36150
In Stock
From
$1,449.34
Square D
150
3
LA36175
LA36175
In Stock
From
$2,900.88
Square D
175
3
LA36225
LA36225
In Stock
From
$2,012.60
Square D
225
3
LA36300
LA36300
In Stock
From
$2,249.42
Square D
300
3
LA36400
LA36400
In Stock
From
$1,947.88
Square D
400
3
LJA36400U31X
LJA36400U31X
In Stock
From
$4,235.75
Square D
400
3
LJA36600U31X
LJA36600U31X
In Stock
From
$9,759.90
Schneider Electric
600
3
LJL36400U31X
LJL36400U31X
In Stock
From
$3,192.15
Square D
400
3
LJL36600U31X
LJL36600U31X
In Stock
From
$3,232.99
Square D
600
3
LJM36400U31X
LJM36400U31X
In Stock
From
$4,052.44
Square D
400
3
MGA36300
MGA36300
In Stock
From
$4,049.21
Schneider Electric
300
3
MGA36400
MGA36400
In Stock
From
$2,590.43
Square D
400
3
MGA36450
MGA36450
In Stock
From
$1,731.28
Square D
450
3
MGA36500
MGA36500
In Stock
From
$3,542.22
Schneider Electric
500
3
MGA36600
MGA36600
In Stock
From
$4,266.12
Schneider Electric
600
3
MGA36700
MGA36700
In Stock
From
$5,032.61
Schneider Electric
700
3
MGA36800
MGA36800
In Stock
From
$7,080.77
Schneider Electric
800
3
MJA36300
MJA36300
In Stock
From
$4,091.75
Schneider Electric
300
3
MJA36350
MJA36350
In Stock
From
$3,662.99
Schneider Electric
350
3
MJA36400
MJA36400
In Stock
From
$3,869.29
Schneider Electric
400
3
MJA36450
MJA36450
In Stock
From
$3,040.62
Square D
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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