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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
MD3300W
MD3300W
In Stock
From
$2,742.52
Westinghouse
300
3
MD3350
MD3350
In Stock
From
$2,485.12
Cutler Hammer
350
3
MD3350W
MD3350W
In Stock
From
$2,953.45
Westinghouse
350
3
MD3400
MD3400
In Stock
From
$3,121.84
Eaton
400
3
MD3400W
MD3400W
In Stock
From
$2,905.12
Cutler Hammer
400
3
MD3450W
MD3450W
In Stock
From
$2,787.93
Cutler Hammer
450
3
MD3500
MD3500
In Stock
From
$2,624.40
Cutler Hammer
500
3
MD3500W
MD3500W
In Stock
From
$2,192.49
Westinghouse
500
3
MD63T600
MD63T600
In Stock
From
$960.47
Siemens
-
3
MD63T700
MD63T700
In Stock
From
$976.32
Siemens
-
3
MDL3300W
MDL3300W
In Stock
From
$1,844.03
Westinghouse
300
3
MDL3350W
MDL3350W
In Stock
From
$1,863.34
Westinghouse
350
3
MDL3450W
MDL3450W
In Stock
From
$3,777.88
Cutler Hammer
450
3
MDL3500W
MDL3500W
In Stock
From
$2,317.38
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
$44.84
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
MG24459
MG24459
In Stock
From
$214.02
Schneider Electric
1
3
MGA36600YP
MGA36600YP
In Stock
From
$4,177.62
Square D
600
3
MJA36300AB
MJA36300AB
In Stock
From
$744.24
Square D
300
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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