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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
QCAL100
QCAL100
In Stock
From
$157.63
Thomas & Betts
100
2
QCAL125
QCAL125
In Stock
From
$368.44
Thomas & Betts
125
2
QCAL70
QCAL70
In Stock
From
$109.91
Zinsco
70
2
QCAL90
QCAL90
In Stock
From
$116.56
Zinsco
90
2
QCB20
QCB20
In Stock
From
$78.56
Thomas & Betts
20
2
QCB30
QCB30
In Stock
From
$180.03
Zinsco
30
2
QCB90
QCB90
In Stock
From
$59.18
Zinsco
90
2
R3840
R3840
In Stock
From
$51.08
Zinsco
40
2
RC3815
RC3815
In Stock
From
$20.48
Zinsco
15
2
RC3850
RC3850
In Stock
From
$40.86
Zinsco
50
2
RC38AL-40
RC38AL-40
In Stock
From
$50.47
Sylvania
40
1
HAGF215
HAGF215
In Stock
From
$234.62
Sylvania
15
2
HAGF220
HAGF220
In Stock
From
$52.85
Sylvania
20
2
HAGF230
HAGF230
In Stock
From
$60.30
Sylvania
30
2
HAGF240
HAGF240
In Stock
From
$9.97
Sylvania
40
2
HAGF30
HAGF30
In Stock
From
$8.42
Zinsco
30
1
HRGF20
HRGF20
In Stock
From
$241.05
Zinsco
20
1
Q15
Q15
In Stock
From
$17.66
Siemens
15
1
Q35
Q35
In Stock
From
$18.36
Siemens
35
1
Q40
Q40
In Stock
From
$12.71
Siemens
40
-
Q50
Q50
In Stock
From
$23.77
Siemens
50
-
Q60
Q60
In Stock
From
$16.12
Siemens
60
1
QB20
QB20
In Stock
From
$42.62
Thomas & Betts
20
1
QB242020
QB242020
Limited Stock
From
Get Price
Zinsco
20
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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