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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.
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Part Number
PRICE
Manufacturer
Amperage
Poles
8US1-111-4SM00
8US1-111-4SM00
In Stock
From
$397.60
Siemens
-
-
8US1011-4SL01
8US1011-4SL01
In Stock
From
$351.48
Siemens
-
-
8US1211-4SB00
8US1211-4SB00
In Stock
From
$74.41
Siemens
-
-
8US1211-4SL00
8US1211-4SL00
In Stock
From
$354.23
Siemens
-
-
8US1211-4SS00
8US1211-4SS00
In Stock
From
$198.36
Siemens
-
-
8US1921-2AA00
8US1921-2AA00
In Stock
From
$4.04
Siemens
-
-
8US1921-2AA01
8US1921-2AA01
Limited Stock
From
Get Price
Siemens
-
-
8US1922-2BA00
8US1922-2BA00
In Stock
From
$71.79
Siemens
-
-
8US1922-2UA01
8US1922-2UA01
In Stock
From
$228.07
Siemens
-
-
8US1923-3AA01
8US1923-3AA01
In Stock
From
$39.44
Siemens
-
-
8US1943-3AA00
8US1943-3AA00
In Stock
From
$133.32
Siemens
-
-
8WA1011-1DG11
8WA1011-1DG11
In Stock
From
$3.05
Siemens
-
-
A01FD62
A01FD62
In Stock
From
$221.14
Siemens
-
-
A02FD64
A02FD64
In Stock
From
$376.51
Siemens
-
-
ASKP4
ASKP4
In Stock
From
$599.86
Siemens
-
-
B280R
B280R
In Stock
From
$111.51
Siemens
80
2
BBKNB32
BBKNB32
In Stock
From
$312.28
Siemens
-
-
BQ1B010QLD
BQ1B010QLD
In Stock
From
$70.70
Siemens
10
1
BQ2B015H
BQ2B015H
In Stock
From
$56.86
Siemens
15
2
BQ2B015QX
BQ2B015QX
In Stock
From
$2.12
Siemens
15
2
BQ2B030QLD
BQ2B030QLD
In Stock
From
$56.29
Siemens
30
2
BQ2B030QX
BQ2B030QX
In Stock
From
$75.84
Siemens
30
2
BQ2B035H
BQ2B035H
In Stock
From
$81.82
Siemens
35
2
BQ2B040QLD
BQ2B040QLD
In Stock
From
$313.29
Siemens
40
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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