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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
QB243040
QB243040
In Stock
From
$219.45
Zinsco
40
3
QB243070
QB243070
In Stock
From
$1,194.47
Zinsco
70
3
QB40
QB40
In Stock
From
$25.36
Thomas & Betts
40
1
QBA220704
QBA220704
In Stock
From
$267.77
Square D
70
2
QBA221104
QBA221104
In Stock
From
$1,107.14
Square D
110
2
QBA222004
QBA222004
In Stock
From
$185.04
Square D
200
2
QBCAF1020
QBCAF1020
In Stock
From
$73.91
Eaton
20
1
QBF32225TS
QBF32225TS
In Stock
From
$128.83
Square D
225
2
QBGF1020
QBGF1020
In Stock
From
$134.98
Cutler Hammer
20
1
QBGF1030
QBGF1030
In Stock
From
$186.82
Eaton
30
1
QBH1020AFGF
QBH1020AFGF
In Stock
From
$304.13
Cutler Hammer
20
1
QBH1020CAF
QBH1020CAF
In Stock
From
$168.95
Eaton
20
1
QBH1030EP
QBH1030EP
In Stock
From
$548.13
Eaton
30
1
QBH1030GF
QBH1030GF
In Stock
From
$220.36
Eaton
30
1
QBH130
QBH130
In Stock
From
$27.00
Commander
30
1
QBH2100
QBH2100
In Stock
From
$206.72
Commander
100
2
QBH225
QBH225
In Stock
From
$152.36
Commander
25
2
QBH230
QBH230
In Stock
From
$101.07
Commander
30
2
QBH240
QBH240
In Stock
From
$80.67
Commander
40
2
QBH260
QBH260
In Stock
From
$85.41
Commander
60
2
QBHAF1020
QBHAF1020
In Stock
From
$172.71
Cutler Hammer
20
1
QBHCAF1020
QBHCAF1020
In Stock
From
$133.41
Eaton
20
1
QBHGF1030
QBHGF1030
In Stock
From
$135.58
Eaton
30
1
QBHGFEP1015
QBHGFEP1015
In Stock
From
$409.62
Eaton
15
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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