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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
NGG2B030L
NGG2B030L
In Stock
From
$330.20
Siemens
30
2
NGG2B040L
NGG2B040L
In Stock
From
$406.88
Siemens
40
2
NGG2B060L
NGG2B060L
In Stock
From
$374.22
Siemens
60
2
NGG2B070
NGG2B070
In Stock
From
$305.76
Siemens
70
2
NGG2B070L
NGG2B070L
In Stock
From
$433.81
Siemens
70
2
NGG2B090L
NGG2B090L
In Stock
From
$345.40
Siemens
90
2
NGG2B100L
NGG2B100L
In Stock
From
$238.88
Siemens
100
2
NGG2B110L
NGG2B110L
In Stock
From
$630.43
Siemens
110
2
NJG3B350
NJG3B350
In Stock
From
$4,138.08
Siemens
350
3
NJJ2B400
NJJ2B400
In Stock
From
$2,700.00
Siemens
400
2
NJX3A250
NJX3A250
In Stock
From
$10,276.67
Siemens
250
3
NJX3T250
NJX3T250
In Stock
From
$6,799.81
Siemens
250
3
NJX3V400
NJX3V400
In Stock
From
$3,710.06
Siemens
400
3
NJY3N250
NJY3N250
In Stock
From
$2,662.87
Siemens
250
3
NJY3R400
NJY3R400
In Stock
From
$5,232.60
Siemens
400
3
NLK3G600
NLK3G600
Limited Stock
From
Get Price
Siemens
600
3
NLK3G600L
NLK3G600L
In Stock
From
$6,295.52
Siemens
600
3
NLK3V600
NLK3V600
In Stock
From
$9,500.00
Siemens
600
3
NMG3U800L
NMG3U800L
In Stock
From
$3,681.13
Siemens
800
3
NMX2B800
NMX2B800
In Stock
From
$2,053.74
Siemens
800
2
NMX3A800
NMX3A800
In Stock
From
$11,969.76
Siemens
800
3
NMX3B600L
NMX3B600L
In Stock
From
$12,344.16
Siemens
600
3
NMX3T800
NMX3T800
In Stock
From
$1,402.04
Siemens
800
3
NNX3B100L
NNX3B100L
In Stock
From
$17,200.00
Siemens
1000
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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