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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.
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Part Number
PRICE
Manufacturer
MB45101V2-000U-A99
MB45101V2-000U-A99
In Stock
From
$16.01
Sunon
MB60101V1-0000-G99
MB60101V1-0000-G99
In Stock
From
$40.87
Sunon
ME80251V1000UA99
ME80251V1000UA99
In Stock
From
$3.92
Sunon
ME80251V2-Q020-999
ME80251V2-Q020-999
In Stock
From
$11.74
Sunon
ME80251V3-000U-A99
ME80251V3-000U-A99
In Stock
From
$5.14
Sunon
ME92251V3000UF99
ME92251V3000UF99
In Stock
From
$17.99
Sunon
ME92252V2-0000-A99
ME92252V2-0000-A99
In Stock
From
$8.17
Sunon
MEC0251V2-000U-A99
MEC0251V2-000U-A99
In Stock
From
$17.01
Sunon
MEC0381V1-000U-A99
MEC0381V1-000U-A99
In Stock
From
$22.51
Sunon
MEC0382V1-000U-A99
MEC0382V1-000U-A99
In Stock
From
$48.83
Sunon
MEC0382V2-000U-A99
MEC0382V2-000U-A99
In Stock
From
$39.77
Sunon
MEC0382V3-000U-A99
MEC0382V3-000U-A99
In Stock
From
$20.04
Sunon
MF25101V2-1000U-A99
MF25101V2-1000U-A99
In Stock
From
$17.27
Sunon
MF40100V1-1000U-A99
MF40100V1-1000U-A99
In Stock
From
$9.29
Sunon
MF40100V2-1000U-A99
MF40100V2-1000U-A99
In Stock
From
$5.02
Sunon
MF40101V2-1000U-A99
MF40101V2-1000U-A99
In Stock
From
$7.99
Sunon
MF40201VX-1000U-A99
MF40201VX-1000U-A99
In Stock
From
$10.58
Sunon
MF50101V1-1000U-A99
MF50101V1-1000U-A99
In Stock
From
$9.25
Sunon
MF50151VX-1000U-F99
MF50151VX-1000U-F99
In Stock
From
$13.19
Sunon
MF50151VX-B00U-A99
MF50151VX-B00U-A99
In Stock
From
$20.24
Sunon
MF60101V3-1000U-A99
MF60101V3-1000U-A99
In Stock
From
$11.11
Sunon
MF60251V1-1000U-A99
MF60251V1-1000U-A99
In Stock
From
$17.72
Sunon
MF60252V1-1000U-A99
MF60252V1-1000U-A99
In Stock
From
$18.18
Sunon
MF80252V2-1000U-A99
MF80252V2-1000U-A99
In Stock
From
$12.49
Sunon
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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