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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
SJD69400NTH
SJD69400NTH
In Stock
From
$3,180.79
Siemens
400
3
SKP3B100
SKP3B100
In Stock
From
$2,022.91
Siemens
1000
3
SKP3B100G
SKP3B100G
In Stock
From
$5,413.99
Siemens
1000
3
SKP3B120
SKP3B120
In Stock
From
$2,875.11
Siemens
1200
3
SKP3B120G
SKP3B120G
In Stock
From
$4,148.47
Siemens
1200
3
SKP3B800
SKP3B800
In Stock
From
$4,119.22
Siemens
800
3
SKP3B800G
SKP3B800G
In Stock
From
$4,119.22
Siemens
800
3
SKP3B900
SKP3B900
In Stock
From
$3,706.63
Siemens
900
3
SKP3B900G
SKP3B900G
In Stock
From
$3,706.63
Siemens
900
3
SLD69300
SLD69300
In Stock
From
$2,346.88
Siemens
300
3
SLD69300G
SLD69300G
In Stock
From
$2,503.77
Siemens
300
3
SLD69300NGT
SLD69300NGT
In Stock
From
$1,713.11
Siemens
300
3
SLD69300NT
SLD69300NT
In Stock
From
$2,346.88
Siemens
300
3
SLD69400
SLD69400
In Stock
From
$1,738.58
Siemens
400
3
SLD69400G
SLD69400G
In Stock
From
$4,575.57
Siemens
400
3
SLD69400NGT
SLD69400NGT
In Stock
From
$2,141.06
Siemens
400
3
SLD69400NT
SLD69400NT
In Stock
From
$4,220.42
Siemens
400
3
SLD69500
SLD69500
In Stock
From
$1,764.52
Siemens
500
3
SLD69500G
SLD69500G
In Stock
From
$1,496.88
Siemens
500
3
SLD69500NGT
SLD69500NGT
In Stock
From
$2,336.92
Siemens
500
3
SLD69500NT
SLD69500NT
In Stock
From
$2,336.92
Siemens
500
3
SLD69600NT
SLD69600NT
In Stock
From
$2,278.93
Siemens
600
3
SMB6R
SMB6R
In Stock
From
$89.07
Siemens
-
-
SMD69600A
SMD69600A
In Stock
From
$3,399.70
Siemens
300
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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