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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
MBKQJ3150
MBKQJ3150
In Stock
From
$1,854.01
Siemens
150
3
MBKQJ3150H
MBKQJ3150H
In Stock
From
$1,030.23
Siemens
150
3
MBKQJ3175
MBKQJ3175
In Stock
From
$1,456.66
Siemens
175
3
MBKQJ3200H
MBKQJ3200H
In Stock
From
$2,078.39
Siemens
200
3
MBKQJ3225
MBKQJ3225
In Stock
From
$1,948.80
Siemens
225
3
MBKQJ3225H
MBKQJ3225H
In Stock
From
$996.34
Siemens
225
3
MD62T500
MD62T500
In Stock
From
$946.30
Siemens
-
2
MD62T600
MD62T600
In Stock
From
$1,177.78
Siemens
-
2
MMKT800MC3
MMKT800MC3
In Stock
From
$1,002.84
Siemens
-
3
MOMN6120L
MOMN6120L
In Stock
From
$7,834.42
Siemens
-
-
MSF6
MSF6
In Stock
From
$11.30
Siemens
-
-
MSJ6
MSJ6
In Stock
From
$10.47
Siemens
-
-
N04SB
N04SB
In Stock
From
$181.15
Siemens
-
-
N08SMDA
N08SMDA
In Stock
From
$710.40
Siemens
-
-
N12SB
N12SB
In Stock
From
$143.69
Siemens
-
-
ND62T100
ND62T100
In Stock
From
$2,388.18
Siemens
-
2
ND62T120
ND62T120
In Stock
From
$3,685.44
Siemens
-
2
P1E42MC250AT
P1E42MC250AT
In Stock
From
$651.83
Siemens
250
-
Q20
Q20
In Stock
From
$8.98
Siemens
20
1
Q210
Q210
In Stock
From
$21.16
Siemens
10
2
Q2110HH
Q2110HH
In Stock
From
$210.69
Siemens
110
2
Q212500S01
Q212500S01
In Stock
From
$329.55
Siemens
125
2
Q2125BHH
Q2125BHH
In Stock
From
$450.96
Siemens
125
2
Q2125H00S01
Q2125H00S01
In Stock
From
$1,425.88
Siemens
125
2
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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