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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
MP215
MP215
In Stock
From
$19.80
Murray Corporation
15
2
MP215EG
MP215EG
In Stock
From
$271.50
Murray Corporation
15
2
MP215GF
MP215GF
In Stock
From
$93.10
Murray Corporation
15
2
MP270
MP270
In Stock
From
$23.08
Murray Corporation
70
2
MP280
MP280
In Stock
From
$51.50
Murray Corporation
80
2
MP3030
MP3030
In Stock
From
$10.06
Murray
30
2
MP330
MP330
In Stock
From
$53.07
Siemens
30
3
MP335
MP335
In Stock
From
$45.31
Murray Corporation
35
3
MP340
MP340
In Stock
From
$65.40
Murray Corporation
40
3
MP370
MP370
In Stock
From
$87.52
Siemens
70
3
MP380
MP380
In Stock
From
$71.09
Murray Corporation
80
3
MP390
MP390
In Stock
From
$71.78
Murray Corporation
90
3
MPA120AFC
MPA120AFC
In Stock
From
$39.93
Murray Corporation
20
1
ND63T100
ND63T100
In Stock
From
$972.34
Siemens
-
3
ND63T900
ND63T900
In Stock
From
$1,055.81
Siemens
-
3
NEB3B040B
NEB3B040B
In Stock
From
$1,468.72
Siemens
40
3
NGB1B020B
NGB1B020B
In Stock
From
$37.55
Siemens
20
1
NGB1B030B
NGB1B030B
In Stock
From
$126.07
Siemens
30
1
NGB1B035B
NGB1B035B
In Stock
From
$149.14
Siemens
35
1
NGB1B050B
NGB1B050B
In Stock
From
$173.15
Siemens
50
1
NGB2B020B
NGB2B020B
In Stock
From
$231.46
Siemens
20
2
NGB2B050B
NGB2B050B
In Stock
From
$345.32
Siemens
50
2
NGB2B100B
NGB2B100B
In Stock
From
$306.74
Siemens
100
2
NGB3B015B
NGB3B015B
In Stock
From
$152.31
Siemens
15
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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