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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
LGB1K030B
LGB1K030B
In Stock
From
$248.97
Siemens
30
1
LGB1K035B
LGB1K035B
In Stock
From
$221.14
Siemens
35
1
LGB1K045B
LGB1K045B
In Stock
From
$232.79
Siemens
45
1
LGB1K050B
LGB1K050B
In Stock
From
$192.07
Siemens
50
1
LGB1K060B
LGB1K060B
In Stock
From
$202.19
Siemens
60
1
LUGKIT225
LUGKIT225
In Stock
From
$140.03
Cutler Hammer
-
-
MBKQJ1A
MBKQJ1A
In Stock
From
$260.42
Siemens
-
-
MBKQR1
MBKQR1
In Stock
From
$663.09
Siemens
-
-
MP115AFC
MP115AFC
Limited Stock
From
Get Price
Murray Corporation
15
1
MP115EG
MP115EG
In Stock
From
$339.58
Murray Corporation
15
1
MP125
MP125
In Stock
From
$5.70
Murray Corporation
25
1
MP130EG
MP130EG
In Stock
From
$342.38
Murray Corporation
30
1
MP145
MP145
In Stock
From
$7.23
Murray Corporation
45
1
MP1515N
MP1515N
In Stock
From
$30.27
Siemens
15
2
MP1520
MP1520
In Stock
From
$12.80
Murray Corporation
20
2
MP1520N
MP1520N
In Stock
From
$21.44
Murray Corporation
20
2
MP2030N
MP2030N
In Stock
From
$19.44
Murray Corporation
30
2
MP215AF
MP215AF
In Stock
From
$96.75
Murray Corporation
15
2
MP215AFC
MP215AFC
In Stock
From
$68.59
Murray Corporation
15
2
MP230GF
MP230GF
In Stock
From
$103.71
Murray Corporation
30
2
MP235
MP235
In Stock
From
$29.62
Murray Corporation
35
2
MP240GF
MP240GF
In Stock
From
$97.45
Murray Corporation
40
2
MP260GF
MP260GF
In Stock
From
$106.32
Murray Corporation
60
2
NGB1B015B
NGB1B015B
In Stock
From
$75.02
Siemens
15
1
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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