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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
MXD62H800L
MXD62H800L
In Stock
From
$3,223.98
Siemens
800
2
MXD62L800
MXD62L800
In Stock
From
$3,223.98
Siemens
800
2
MXD62L800L
MXD62L800L
In Stock
From
$3,223.98
Siemens
800
2
MXD63B500
MXD63B500
In Stock
From
$4,929.10
Siemens
500
3
MXD63B600
MXD63B600
In Stock
From
$2,298.78
Siemens
600
3
MXD63B600H
MXD63B600H
In Stock
From
$3,295.27
Siemens
600
3
MXD63H800
MXD63H800
In Stock
From
$1,626.93
Siemens
800
3
MXD63H800L
MXD63H800L
In Stock
From
$3,535.23
Siemens
800
3
MXD63L800
MXD63L800
In Stock
From
$3,893.45
Siemens
800
3
ND62B120
ND62B120
In Stock
From
$2,620.53
Siemens
1200
2
ND62B800
ND62B800
In Stock
From
$6,468.35
Siemens
800
2
ND62B900
ND62B900
In Stock
From
$7,862.05
Siemens
900
2
ND63B120H
ND63B120H
In Stock
From
$6,901.20
Siemens
1200
3
ND63B120L
ND63B120L
In Stock
From
$3,118.19
Siemens
1200
3
NDG3B125L
NDG3B125L
In Stock
From
$1,899.62
Siemens
125
3
NDX3B050
NDX3B050
In Stock
From
$724.12
Siemens
50
3
NDX3B150L
NDX3B150L
In Stock
From
$688.02
Siemens
150
3
NEB1B020
NEB1B020
In Stock
From
$88.75
Siemens
20
1
NEB1B025
NEB1B025
In Stock
From
$101.50
Siemens
25
1
NEB1B045
NEB1B045
In Stock
From
$1,229.90
Siemens
45
1
NEB1B045B
NEB1B045B
In Stock
From
$1,415.39
Siemens
45
1
NEB1B045V
NEB1B045V
In Stock
From
$1,229.93
Siemens
45
1
NEB1B050
NEB1B050
In Stock
From
$186.30
Siemens
50
1
NEB1B050B
NEB1B050B
In Stock
From
$279.53
Siemens
50
1
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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