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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
Q21515NC
Q21515NC
In Stock
From
$99.92
Siemens
15
2
Q2175BH
Q2175BH
In Stock
From
$213.64
Siemens
175
2
Q2200BHH
Q2200BHH
In Stock
From
$355.00
Siemens
200
2
Q2225BH
Q2225BH
In Stock
From
$312.00
Siemens
225
2
Q225H
Q225H
In Stock
From
$40.75
Siemens
25
2
Q23020NC
Q23020NC
Limited Stock
From
Get Price
Siemens
30
2
Q230HH
Q230HH
In Stock
From
$60.44
Siemens
30
2
Q235H
Q235H
In Stock
From
$55.99
Siemens
35
2
Q235HH
Q235HH
In Stock
From
$162.33
Siemens
35
2
Q24020NC
Q24020NC
In Stock
From
$99.99
Siemens
40
2
Q24040
Q24040
In Stock
From
$22.47
Siemens
40
2
Q245H
Q245H
In Stock
From
$62.79
Siemens
45
2
Q320HH00S01
Q320HH00S01
In Stock
From
$374.63
Siemens
20
3
Q35
Q35
In Stock
From
$22.35
Siemens
35
1
Q36000S07
Q36000S07
In Stock
From
$119.56
Siemens
60
3
Q40
Q40
In Stock
From
$9.56
Siemens
40
-
Q50
Q50
In Stock
From
$27.55
Siemens
50
-
QF125A
QF125A
In Stock
From
$83.20
Siemens
25
-
QF21515
QF21515
In Stock
From
$62.88
Siemens
15
2
QG220
QG220
In Stock
From
$72.15
Siemens
20
2
QG230
QG230
In Stock
From
$73.17
Siemens
30
2
QG315
QG315
In Stock
From
$41.99
Siemens
15
3
QN2175RH
QN2175RH
In Stock
From
$265.20
Siemens
175
2
QS2100HH
QS2100HH
In Stock
From
$244.36
Siemens
100
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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