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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
MGA36500
MGA36500
In Stock
From
$3,870.68
Schneider Electric
500
3
MGA36600
MGA36600
In Stock
From
$4,278.49
Schneider Electric
600
3
MGA36700
MGA36700
In Stock
From
$5,576.82
Schneider Electric
700
3
MGA36800
MGA36800
In Stock
From
$5,985.07
Schneider Electric
800
3
MJA36300
MJA36300
In Stock
From
$4,471.17
Schneider Electric
300
3
MJA36350
MJA36350
In Stock
From
$3,662.99
Schneider Electric
350
3
MJA36400
MJA36400
In Stock
From
$5,403.86
Schneider Electric
400
3
MJA36450
MJA36450
In Stock
From
$2,974.92
Square D
450
3
MJA36600
MJA36600
In Stock
From
$5,578.92
Square D
600
3
MJA36800
MJA36800
In Stock
From
$6,160.73
Square D
800
3
MJL36450
MJL36450
In Stock
From
$4,989.48
Square D
450
3
MJL36500
MJL36500
In Stock
From
$4,347.32
Square D
500
3
MJL36800
MJL36800
In Stock
From
$4,936.43
Schneider Electric
800
3
NGC312032E
NGC312032E
In Stock
From
$16,693.62
Eaton
-
-
NGH308038E
NGH308038E
In Stock
From
$8,494.67
Eaton
-
-
NGH308039E
NGH308039E
In Stock
From
$5,521.54
Eaton
-
-
NGH312033E
NGH312033E
In Stock
From
$8,724.06
Eaton
-
-
NGH312035E
NGH312035E
In Stock
From
$12,553.26
Eaton
-
-
NGH312036E
NGH312036E
In Stock
From
$10,386.14
Eaton
-
-
NGH312038E
NGH312038E
In Stock
From
$10,696.25
Eaton
-
-
NGH312039E
NGH312039E
In Stock
From
$12,358.22
Eaton
-
-
NGS312032E
NGS312032E
In Stock
From
$11,814.06
Eaton
-
-
PJA36080U44A
PJA36080U44A
In Stock
From
$7,088.32
Schneider Electric
800
3
PJA36100U44A
PJA36100U44A
In Stock
From
$10,389.81
Square D
1000
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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