1. Home / 
  2. All Categories / 
  3. Circuit-Breakers

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
MA11286
MA11286
In Stock
From
$112.95
Square D
-
-
MA11352
MA11352
In Stock
From
$128.33
Square D
-
-
MA36800
MA36800
In Stock
From
$2,560.50
Square D
800
3
MA4IMA12
MA4IMA12
In Stock
From
$1,066.20
Square D
-
-
MA4IMA16
MA4IMA16
In Stock
From
$1,628.24
Square D
-
-
MB333
MB333
In Stock
From
$180.37
General Electric
-
-
MB612
MB612
In Stock
From
$211.42
General Electric
125
2
MB613
MB613
In Stock
From
$197.60
General Electric
100
3
MBK100A
MBK100A
In Stock
From
$98.38
Siemens
100
2
MBK125A
MBK125A
In Stock
From
$113.40
Siemens
125
2
MBK150A
MBK150A
In Stock
From
$149.63
Siemens
150
2
MBK3200
MBK3200
In Stock
From
$332.17
Siemens
200
3
MBKBC3
MBKBC3
In Stock
From
$698.09
Siemens
-
-
MBKQR3
MBKQR3
In Stock
From
$1,348.57
Siemens
-
-
MBKQRFK
MBKQRFK
In Stock
From
$48.20
Siemens
-
-
MCP03150CR
MCP03150CR
In Stock
From
$441.00
Cutler Hammer
15
3
MCP03150R
MCP03150R
In Stock
From
$185.75
Cutler Hammer
15
3
MCP0358CR
MCP0358CR
In Stock
From
$132.12
Cutler Hammer
7
3
MCP0358R
MCP0358R
In Stock
From
$174.68
Cutler Hammer
7
3
MCP331000C
MCP331000C
In Stock
From
$369.74
Cutler Hammer
100
3
MD63T800
MD63T800
In Stock
From
$1,172.81
Siemens
-
3
MDL2800
MDL2800
In Stock
From
$2,291.45
Westinghouse
800
2
MDLB3400
MDLB3400
In Stock
From
$3,598.19
Westinghouse
400
3
MDLB3800T33W
MDLB3800T33W
In Stock
From
$2,955.36
Eaton
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.

Learn More