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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
MJF36300
MJF36300
In Stock
From
$3,277.94
Square D
300
3
MJF36350
MJF36350
In Stock
From
$2,533.79
Square D
350
3
MJL36300AB
MJL36300AB
In Stock
From
$3,723.30
Schneider Electric
300
3
MJM36600
MJM36600
In Stock
From
$7,748.83
Schneider Electric
600
3
MJP36300
MJP36300
In Stock
From
$3,277.94
Square D
300
3
MJP36350
MJP36350
In Stock
From
$3,290.42
Schneider Electric
350
3
MJP36400
MJP36400
In Stock
From
$3,678.53
Schneider Electric
400
3
MJP36450
MJP36450
In Stock
From
$2,589.25
Schneider Electric
450
3
MJP36500
MJP36500
In Stock
From
$3,648.96
Square D
500
3
MP12H2
MP12H2
In Stock
From
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Merlin Gerin
1200
3
MP12NA
MP12NA
In Stock
From
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Schneider Electric
1200
3
MP16H2
MP16H2
In Stock
From
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Merlin Gerin
1600
3
MP16NA
MP16NA
In Stock
From
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Square D
1600
3
MP20H2
MP20H2
In Stock
From
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Square D
2000
3
MP30H2
MP30H2
In Stock
From
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Square D
3000
3
MP63NA
MP63NA
In Stock
From
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Square D
6300
3
NB400L
NB400L
In Stock
From
$1,168.54
Square D
400
3
NB630N
NB630N
In Stock
From
$1,764.82
Schneider Electric
630
3
NEHL34000S10
NEHL34000S10
In Stock
From
$232.19
Square D
100
3
NENL34020
NENL34020
In Stock
From
$265.26
Schneider Electric
20
3
NENL34040
NENL34040
In Stock
From
$637.44
Merlin Gerin
40
3
NENL34060
NENL34060
In Stock
From
$343.14
Schneider Electric
60
3
NENL34070
NENL34070
In Stock
From
$415.76
Square D
70
3
NENL34080
NENL34080
In Stock
From
$291.46
Merlin Gerin
80
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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