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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
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Part Number
PRICE
Manufacturer
Amperage
Poles
MP20H1
MP20H1
In Stock
From
Get Price
Merlin Gerin
2000
3
MP220
MP220
In Stock
From
$15.97
Murray Corporation
20
2
MP225
MP225
In Stock
From
$19.09
Murray Corporation
25
2
MP230
MP230
In Stock
From
$836.01
Siemens
30
2
MP240
MP240
In Stock
From
$20.53
Murray Corporation
40
2
MP250
MP250
In Stock
From
$37.66
Murray Corporation
50
2
MP25H1
MP25H1
In Stock
From
Get Price
Schneider Electric
2500
3
MP30H1
MP30H1
In Stock
From
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Merlin Gerin
3000
3
MP30H2
MP30H2
In Stock
From
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Square D
3000
3
MP3100KH
MP3100KH
In Stock
From
$251.47
Murray Corporation
100
3
MP320
MP320
In Stock
From
$53.87
Murray
20
3
MP345
MP345
In Stock
From
$44.53
Murray Corporation
45
3
MP40H1
MP40H1
In Stock
From
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Merlin Gerin
4000
3
MP50H1
MP50H1
In Stock
From
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Schneider Electric
5000
3
MQ130
MQ130
In Stock
From
$6.28
Murray Corporation
30
1
MX36800
MX36800
In Stock
From
$2,839.73
Square D
800
3
MX36800G
MX36800G
In Stock
From
$3,946.07
Square D
800
3
MXD62B800
MXD62B800
In Stock
From
$3,402.06
Siemens
800
2
MXD63B600
MXD63B600
In Stock
From
$2,298.79
Siemens
600
3
MXD63B800
MXD63B800
In Stock
From
$2,972.99
Siemens
800
3
MXL36400
MXL36400
In Stock
From
$2,620.86
Square D
400
3
MXL36800
MXL36800
In Stock
From
$5,279.32
Square D
800
3
MXP36800G
MXP36800G
In Stock
From
$10,353.90
Square D
800
3
NA361000
NA361000
In Stock
From
$2,111.36
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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