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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
Q1515
Q1515
In Stock
From
$20.06
Siemens
15
1
Q1515NC
Q1515NC
In Stock
From
$9.59
Siemens
15
1
Q2020NC
Q2020NC
In Stock
From
$39.14
Siemens
20
2
Q215
Q215
In Stock
From
$72.79
Siemens
15
2
Q21515CTNC
Q21515CTNC
In Stock
From
$87.34
Siemens
15
2
Q21530CTNC
Q21530CTNC
In Stock
From
$51.09
Siemens
30
2
Q270
Q270
In Stock
From
$26.05
Siemens
70
2
Q3100
Q3100
In Stock
From
$54.25
Siemens
100
3
Q330
Q330
In Stock
From
$67.20
Siemens
30
3
Q340
Q340
In Stock
From
$56.71
Siemens
40
3
Q350
Q350
In Stock
From
$62.52
Siemens
50
3
QBA221251
QBA221251
In Stock
From
$326.04
Square D
125
2
QBA221252
QBA221252
In Stock
From
$373.15
Square D
125
2
QBA221504
QBA221504
In Stock
From
$405.61
Square D
150
2
QBHGFT1030
QBHGFT1030
In Stock
From
$244.77
Eaton
30
1
QBHGFT2020
QBHGFT2020
In Stock
From
$624.00
Eaton
20
2
QBHW1015
QBHW1015
In Stock
From
$19.85
Eaton
15
1
QBHW1020
QBHW1020
In Stock
From
$18.85
Eaton
20
1
QBHW1025
QBHW1025
In Stock
From
$45.25
Eaton
25
1
QBHW1030
QBHW1030
In Stock
From
$30.27
Eaton
30
1
QBHW2020H
QBHW2020H
In Stock
From
$85.83
Eaton
20
2
QBHW3025H
QBHW3025H
In Stock
From
$131.33
Cutler Hammer
25
3
QBHW3030H
QBHW3030H
In Stock
From
$101.31
Eaton
30
3
QBHW3100H
QBHW3100H
In Stock
From
$268.72
Eaton
100
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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