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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
MP320
MP320
In Stock
From
$59.39
Murray
20
3
MT3450T
MT3450T
In Stock
From
$1,560.00
Cutler Hammer
-
3
MT3700T
MT3700T
In Stock
From
$1,239.19
Eaton
-
3
MXD63B800
MXD63B800
In Stock
From
$2,972.99
Siemens
800
3
MXD63S800A
MXD63S800A
In Stock
From
$3,689.40
Siemens
800
3
NAL361200
NAL361200
In Stock
From
$3,801.61
Square D
1200
3
NB221015
NB221015
In Stock
From
$71.52
Federal Pioneer
15
2
NB221050
NB221050
In Stock
From
$232.79
Federal Pioneer
50
2
NB3800PF
NB3800PF
In Stock
From
$2,060.63
Westinghouse
800
3
ND212T33W
ND212T33W
In Stock
From
$2,154.59
Westinghouse
1200
2
ND312T33W
ND312T33W
In Stock
From
$8,151.35
Eaton
1200
3
ND312T35W
ND312T35W
In Stock
From
$5,718.90
Cutler Hammer
1200
3
ND312T36W
ND312T36W
In Stock
From
$4,871.34
Eaton
1200
3
ND3800T33W
ND3800T33W
In Stock
From
$3,792.58
Eaton
800
3
ND3800T56W
ND3800T56W
In Stock
From
$6,004.26
Westinghouse
800
3
ND62F120
ND62F120
In Stock
From
$9,200.83
Siemens
1200
2
ND65K
ND65K
In Stock
From
$1,498.70
Siemens
-
-
NDC312T36W
NDC312T36W
In Stock
From
$17,401.13
Westinghouse
1200
3
NDC3800T33W
NDC3800T33W
In Stock
From
$3,192.04
Eaton
800
3
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
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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