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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
LGB2B015B
LGB2B015B
In Stock
From
$374.40
Siemens
15
2
LGB2B020B
LGB2B020B
In Stock
From
$355.68
Siemens
20
2
LGB2B025B
LGB2B025B
In Stock
From
$428.19
Siemens
25
2
LGB2B030B
LGB2B030B
In Stock
From
$261.68
Siemens
30
2
LGB2B050B
LGB2B050B
In Stock
From
$229.05
Siemens
50
2
LGB2B060B
LGB2B060B
In Stock
From
$200.15
Siemens
60
2
LGB2B100B
LGB2B100B
In Stock
From
$301.83
Siemens
100
2
LGB2B125B
LGB2B125B
In Stock
From
$442.49
Siemens
125
2
LGB3B100
LGB3B100
In Stock
From
$382.62
Siemens
100
3
LGB3K020
LGB3K020
In Stock
From
$927.83
Siemens
20
3
LGG3B050L
LGG3B050L
In Stock
From
$335.64
Siemens
50
3
LGG3B100
LGG3B100
In Stock
From
$251.74
Siemens
100
3
LMD63B800
LMD63B800
In Stock
From
$1,585.56
Siemens
800
3
LMD63F800
LMD63F800
In Stock
From
$1,821.24
Siemens
800
3
LMD63T500
LMD63T500
In Stock
From
$801.40
Siemens
-
3
LMXD63S800A
LMXD63S800A
In Stock
From
$1,293.47
Siemens
800
3
LXD62B600
LXD62B600
In Stock
From
$867.04
Siemens
600
2
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
-
-
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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