1. Home / 
  2. All Categories / 
  3. Circuit Breaker

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
MGA36450UL
MGA36450UL
Limited Stock
From
Get Price
Schneider Electric
450
3
MGA36450YP
MGA36450YP
Limited Stock
From
Get Price
Square D
450
3
MGA365006AA
MGA365006AA
Limited Stock
From
Get Price
Square D
500
3
MGA365006AB
MGA365006AB
Limited Stock
From
Get Price
Schneider Electric
500
3
MGA365006AC
MGA365006AC
Limited Stock
From
Get Price
Schneider Electric
500
3
MGA365006SA
MGA365006SA
Limited Stock
From
Get Price
Square D
500
3
MGA365006SC
MGA365006SC
Limited Stock
From
Get Price
Square D
500
3
MGA365006SD
MGA365006SD
Limited Stock
From
Get Price
Schneider Electric
500
3
MGA365006SH
MGA365006SH
Limited Stock
From
Get Price
Square D
500
3
MGA365006SK
MGA365006SK
Limited Stock
From
Get Price
Square D
500
3
MGA365006SL
MGA365006SL
Limited Stock
From
Get Price
Square D
500
3
MGA365006SN
MGA365006SN
Limited Stock
From
Get Price
Square D
500
3
MGA365006UA
MGA365006UA
Limited Stock
From
Get Price
Square D
500
3
MGA365006UC
MGA365006UC
Limited Stock
From
Get Price
Square D
500
3
MGA365006UH
MGA365006UH
Limited Stock
From
Get Price
Square D
500
3
MGA365006UK
MGA365006UK
Limited Stock
From
Get Price
Square D
500
3
MGA365006UL
MGA365006UL
Limited Stock
From
Get Price
Square D
500
3
MGA365006YP
MGA365006YP
Limited Stock
From
Get Price
Square D
500
3
MGA36500AA
MGA36500AA
Limited Stock
From
Get Price
Schneider Electric
500
3
MGA36500AASA
MGA36500AASA
Limited Stock
From
Get Price
Square D
500
3
MGA36500AB
MGA36500AB
Limited Stock
From
Get Price
Schneider Electric
500
3
MGA36500ABSA
MGA36500ABSA
Limited Stock
From
Get Price
Square D
500
3
MGA36500AC
MGA36500AC
Limited Stock
From
Get Price
Square D
500
3
MGA36500ACSA
MGA36500ACSA
Limited Stock
From
Get Price
Schneider Electric
500
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.

Learn More