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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
MBKQR1
MBKQR1
In Stock
From
$768.70
Siemens
-
-
MD62B500
MD62B500
In Stock
From
$9,121.07
Siemens
500
2
MD62B800
MD62B800
In Stock
From
$1,997.99
Siemens
700
2
MD62F800
MD62F800
In Stock
From
$7,163.97
Siemens
800
2
MD63B500
MD63B500
In Stock
From
$3,220.45
Siemens
500
3
MD63B700
MD63B700
In Stock
From
$3,461.20
Siemens
700
3
MD63B800
MD63B800
In Stock
From
$3,843.19
Siemens
800
3
MD63F800
MD63F800
In Stock
From
$1,892.63
Siemens
800
3
MP2020
MP2020
In Stock
From
$21.00
Murray
20
1
MXD62B800
MXD62B800
In Stock
From
$3,231.95
Siemens
800
2
MXD63B700
MXD63B700
In Stock
From
$2,863.59
Siemens
700
3
MXD63B800H
MXD63B800H
In Stock
From
$2,893.43
Siemens
800
3
MXD63S800AL
MXD63S800AL
In Stock
From
$10,393.21
Siemens
800
3
ND62B100
ND62B100
In Stock
From
$3,840.13
Siemens
1000
2
ND63B100
ND63B100
In Stock
From
$3,141.15
Siemens
1000
3
ND63B100L
ND63B100L
In Stock
From
$4,010.87
Siemens
1000
3
ND63B120
ND63B120
In Stock
From
$2,858.34
Siemens
1200
3
ND63B800
ND63B800
In Stock
From
$3,408.99
Siemens
800
3
ND63B900
ND63B900
In Stock
From
$3,238.26
Siemens
900
3
NDK3A060L
NDK3A060L
In Stock
From
$3,804.75
Siemens
60
3
NDK3B070L
NDK3B070L
In Stock
From
$1,649.33
Siemens
70
3
NDK3B125L
NDK3B125L
In Stock
From
$5,130.00
Siemens
125
3
NDK3T100L
NDK3T100L
In Stock
From
$1,238.76
Siemens
100
3
NDK3V060L
NDK3V060L
In Stock
From
$3,335.64
Siemens
60
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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