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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
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Part Number
PRICE
Manufacturer
Amperage
Poles
LIL363008041
LIL363008041
In Stock
From
$1,124.29
Square D
300
3
LIL36350
LIL36350
In Stock
From
$2,587.64
Square D
350
3
LIL36450
LIL36450
In Stock
From
$3,511.20
Square D
450
3
LIP36400
LIP36400
In Stock
From
$1,266.42
Square D
400
3
LIP36500
LIP36500
In Stock
From
$2,518.60
Square D
500
3
LJA36250U33X
LJA36250U33X
In Stock
From
$3,173.86
Square D
250
3
LJA36400CU44X
LJA36400CU44X
In Stock
From
$4,937.51
Schneider Electric
400
3
LJA36600U43X
LJA36600U43X
In Stock
From
$7,649.80
Square D
600
3
LJF36400CU33X
LJF36400CU33X
In Stock
From
$3,427.10
Schneider Electric
400
3
LJF36600TU33X
LJF36600TU33X
In Stock
From
$3,500.00
Square D
600
3
LJG3F400
LJG3F400
In Stock
From
$7,320.00
Siemens
400
3
LJL36400U43X
LJL36400U43X
In Stock
From
$1,485.81
Square D
400
3
LK2125
LK2125
In Stock
From
Get Price
Siemens
-
-
LKD1
LKD1
In Stock
From
$37.07
Cutler Hammer
-
-
LKD3
LKD3
In Stock
From
$30.67
Cutler Hammer
-
-
LLA36250U33X
LLA36250U33X
In Stock
From
$12,101.04
Schneider Electric
250
3
LLA36600U53X
LLA36600U53X
In Stock
From
$9,427.88
Square D
600
3
LLF36400U31X
LLF36400U31X
In Stock
From
$1,111.11
Square D
400
3
LLM36000S40X
LLM36000S40X
In Stock
From
$2,727.27
Square D
400
3
LLN36250C
LLN36250C
In Stock
From
$1,585.84
Schneider Electric
250
3
LMD62F800
LMD62F800
In Stock
From
$1,229.60
Siemens
800
2
LMD63B500
LMD63B500
In Stock
From
$2,218.35
Siemens
500
3
LMD63B700
LMD63B700
In Stock
From
$2,668.73
Siemens
700
3
LMD63B800
LMD63B800
In Stock
From
$1,917.09
Siemens
800
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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