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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
QOB3201021
QOB3201021
In Stock
From
$345.40
Square D
20
3
QOB320GFI
QOB320GFI
In Stock
From
$343.88
Square D
20
3
QOB320PL
QOB320PL
In Stock
From
$181.72
Square D
20
3
QOB3301042
QOB3301042
Limited Stock
From
Get Price
Square D
30
3
QOB340GFI
QOB340GFI
In Stock
From
$650.79
Square D
40
3
QOB340VH
QOB340VH
In Stock
From
$128.19
Schneider Electric
40
3
QOB3501021
QOB3501021
In Stock
From
$489.06
Square D
50
3
QOB350GFI
QOB350GFI
In Stock
From
$333.50
Square D
50
3
QOB3701021
QOB3701021
In Stock
From
$395.19
Square D
70
3
QOB370VH
QOB370VH
In Stock
From
$192.86
Schneider Electric
70
3
QOB380VH
QOB380VH
In Stock
From
$214.58
Square D
80
3
QOB3901021
QOB3901021
In Stock
From
$374.43
Square D
90
3
QOB390VH
QOB390VH
In Stock
From
$267.34
Square D
90
3
QOC20U100F
QOC20U100F
In Stock
From
$32.32
Schneider Electric
125
-
QOH240
QOH240
In Stock
From
$104.05
Square D
40
2
QOH260
QOH260
In Stock
From
$121.67
Square D
60
2
QOM2125MVH
QOM2125MVH
In Stock
From
$700.47
Square D
125
2
QOM2150MVH
QOM2150MVH
In Stock
From
$864.89
Square D
150
2
QOM2200MM
QOM2200MM
In Stock
From
$263.72
Square D
200
2
QOM2200MVH
QOM2200MVH
In Stock
From
$658.69
Square D
200
2
QOU135
QOU135
In Stock
From
$15.30
Square D
135
1
QOU145
QOU145
In Stock
From
$25.41
Square D
45
1
QOU150
QOU150
In Stock
From
$15.27
Schneider Electric
50
1
QOU210
QOU210
In Stock
From
$40.43
Square D
10
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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