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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
QO250H
QO250H
In Stock
From
$248.46
Square D
50
2
QO250VH
QO250VH
In Stock
From
$79.16
Square D
50
2
QO270VH
QO270VH
In Stock
From
$83.92
Square D
70
2
QO3100VH
QO3100VH
In Stock
From
$106.71
Square D
100
3
QO315HID
QO315HID
In Stock
From
$288.92
Square D
15
3
QO320GFI
QO320GFI
In Stock
From
$809.82
Square D
20
3
QO320PL
QO320PL
In Stock
From
$181.72
Square D
20
3
QO3301021
QO3301021
In Stock
From
$381.22
Square D
30
3
QO330VH
QO330VH
In Stock
From
$106.69
Square D
30
3
QO340GFI
QO340GFI
In Stock
From
$434.24
Square D
40
3
QO340VH
QO340VH
In Stock
From
$74.39
Square D
40
3
QO3501021
QO3501021
In Stock
From
$322.65
Square D
50
3
QO360VH
QO360VH
In Stock
From
$182.90
Square D
60
3
QO3701021
QO3701021
In Stock
From
$370.15
Square D
70
3
QO380VH
QO380VH
In Stock
From
$233.95
Square D
80
3
QPF120
QPF120
In Stock
From
$15.85
Siemens
20
1
QR23B100
QR23B100
In Stock
From
$839.36
Siemens
100
3
QR23B125
QR23B125
In Stock
From
$528.26
Siemens
125
3
QR23B175
QR23B175
In Stock
From
$513.39
Siemens
175
3
QR23B225L
QR23B225L
In Stock
From
$738.02
Siemens
225
3
QR23B250
QR23B250
In Stock
From
$849.42
Siemens
250
3
QRH23B125
QRH23B125
In Stock
From
$533.96
Siemens
125
3
QRH23B175
QRH23B175
In Stock
From
$786.44
Siemens
175
3
QRH23B225
QRH23B225
In Stock
From
$536.64
Siemens
225
3
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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