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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
MDL3450W
MDL3450W
In Stock
From
$3,777.88
Cutler Hammer
450
3
MDL3500W
MDL3500W
In Stock
From
$1,853.90
Westinghouse
500
3
MG24450
MG24450
In Stock
From
$39.69
Schneider Electric
13
2
MG24451
MG24451
In Stock
From
$33.79
Square D
16
2
MG24452
MG24452
In Stock
From
$23.55
Square D
20
2
MG24453
MG24453
In Stock
From
$55.19
Square D
25
2
MG24455
MG24455
In Stock
From
$142.20
Schneider Electric
40
2
MG24456
MG24456
In Stock
From
$204.81
Square D
50
2
MG24457
MG24457
In Stock
From
$155.98
Schneider Electric
63
2
MGA36600YP
MGA36600YP
In Stock
From
$4,177.62
Square D
600
3
MJA36300AB
MJA36300AB
In Stock
From
$2,261.66
Square D
300
3
MJA36300YP
MJA36300YP
In Stock
From
$3,392.48
Square D
300
3
MJA36350YP
MJA36350YP
In Stock
From
$4,357.94
Schneider Electric
350
3
MJA36450YP
MJA36450YP
In Stock
From
$4,243.06
Schneider Electric
450
3
MJA36500YP
MJA36500YP
In Stock
From
$2,919.17
Square D
500
3
MJA36600AC
MJA36600AC
In Stock
From
$744.24
Schneider Electric
600
3
MJA36700YP
MJA36700YP
In Stock
From
$4,013.26
Square D
700
3
MJL36400SA
MJL36400SA
In Stock
From
$670.00
Schneider Electric
400
3
MP115AF
MP115AF
In Stock
From
$22.81
Murray Corporation
15
1
MP120AF
MP120AF
In Stock
From
$14.40
Murray Corporation
20
1
MP120AFC
MP120AFC
In Stock
From
$71.45
Murray Corporation
20
1
MP120ST
MP120ST
In Stock
From
$185.00
Murray Corporation
20
1
MP130GF
MP130GF
In Stock
From
$53.04
Murray Corporation
30
1
MP135
MP135
In Stock
From
$8.17
Murray Corporation
35
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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