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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
MPD2150KH
MPD2150KH
In Stock
From
$162.00
Murray Corporation
150
2
MPSNTAB
MPSNTAB
In Stock
From
$78.69
BRAH Electric
-
-
MQ215
MQ215
In Stock
From
$26.26
Murray Corporation
15
2
MQJ2110
MQJ2110
In Stock
From
$328.31
Murray Corporation
110
2
MQJ2110KH
MQJ2110KH
In Stock
From
$616.05
Murray Corporation
110
2
MQJ260KL
MQJ260KL
In Stock
From
$574.35
Murray Corporation
60
2
MQJ3100KL
MQJ3100KL
In Stock
From
$1,504.39
Murray Corporation
100
3
MQJ3110KL
MQJ3110KL
In Stock
From
$1,504.39
Murray Corporation
110
3
MQJ3125
MQJ3125
In Stock
From
$415.69
Murray
125
3
MQJ3150
MQJ3150
In Stock
From
$439.15
Murray Corporation
150
3
MQJ390
MQJ390
In Stock
From
$702.96
Murray Corporation
90
3
MS360800A
MS360800A
In Stock
From
$1,552.50
Eaton
800
3
MSE6
MSE6
In Stock
From
$14.84
Siemens
-
-
MSRC
MSRC
In Stock
From
$1,068.77
Cutler Hammer
-
-
MST1
MST1
In Stock
From
$941.46
Cutler Hammer
-
-
MT2800T
MT2800T
In Stock
From
$1,893.64
Cutler Hammer
-
2
MT3300T
MT3300T
In Stock
From
$1,710.36
Cutler Hammer
-
3
MT3400T
MT3400T
In Stock
From
$2,190.19
Cutler Hammer
-
3
MT3500T
MT3500T
In Stock
From
$2,028.00
Cutler Hammer
-
3
MVADP32
MVADP32
In Stock
From
$1,895.20
Eaton
-
-
NA115
NA115
In Stock
From
$29.16
Federal Pacific
15
1
NA140
NA140
In Stock
From
$19.75
American
40
1
NA15
NA15
In Stock
From
$21.58
American
15
1
NA150
NA150
In Stock
From
$19.05
American
50
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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