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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
MD63T800
MD63T800
In Stock
From
$1,172.81
Siemens
-
3
MP230
MP230
In Stock
From
$836.01
Siemens
30
2
MP250GF
MP250GF
In Stock
From
$216.19
Siemens
50
2
MP260
MP260
In Stock
From
$17.90
Siemens
60
2
MP320
MP320
In Stock
From
$59.39
Murray
20
3
MXD63B800
MXD63B800
In Stock
From
$2,972.99
Siemens
800
3
MXD63S800A
MXD63S800A
In Stock
From
$3,689.40
Siemens
800
3
ND62F120
ND62F120
In Stock
From
$9,200.83
Siemens
1200
2
ND65K
ND65K
In Stock
From
$1,498.70
Siemens
-
-
NDK3B050L
NDK3B050L
In Stock
From
$3,210.39
Siemens
50
3
NDK3B150L
NDK3B150L
In Stock
From
$2,168.59
Siemens
150
3
NEB3B015B
NEB3B015B
In Stock
From
$931.42
Siemens
15
3
NEB3B020B
NEB3B020B
In Stock
From
$1,582.14
Siemens
20
3
NEB3B070B
NEB3B070B
In Stock
From
$1,082.89
Siemens
70
3
NEG3B015L
NEG3B015L
In Stock
From
$769.11
Siemens
15
3
NEG3B100L
NEG3B100L
In Stock
From
$710.50
Siemens
100
3
NFG3F250
NFG3F250
In Stock
From
$385.35
Siemens
250
3
NFK3T250L
NFK3T250L
In Stock
From
$5,854.01
Siemens
250
3
NGB1B020
NGB1B020
In Stock
From
$54.73
Siemens
20
1
NGB3B020
NGB3B020
In Stock
From
$532.59
Siemens
20
3
NGB3B030
NGB3B030
In Stock
From
$321.78
Siemens
30
3
NGB3B030B
NGB3B030B
In Stock
From
$454.39
Siemens
30
3
NGB3B060
NGB3B060
In Stock
From
$463.69
Siemens
60
3
NGB3B070
NGB3B070
In Stock
From
$456.97
Siemens
70
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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