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
MDN4083LEA0722NMNHNENKNCX
MDN4083LEA0722NMNHNENKNCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENKNPX
MDN4083LEA0722NMNHNENKNPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENKNSX
MDN4083LEA0722NMNHNENKNSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENKNWX
MDN4083LEA0722NMNHNENKNWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLCAX
MDN4083LEA0722NMNHNENLCAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLCCX
MDN4083LEA0722NMNHNENLCCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLCPX
MDN4083LEA0722NMNHNENLCPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLCSX
MDN4083LEA0722NMNHNENLCSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLCWX
MDN4083LEA0722NMNHNENLCWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLDAX
MDN4083LEA0722NMNHNENLDAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLDCX
MDN4083LEA0722NMNHNENLDCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLDPX
MDN4083LEA0722NMNHNENLDPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLDSX
MDN4083LEA0722NMNHNENLDSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLDWX
MDN4083LEA0722NMNHNENLDWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLMAX
MDN4083LEA0722NMNHNENLMAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLMCX
MDN4083LEA0722NMNHNENLMCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLMPX
MDN4083LEA0722NMNHNENLMPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLMSX
MDN4083LEA0722NMNHNENLMSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLMWX
MDN4083LEA0722NMNHNENLMWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLNAX
MDN4083LEA0722NMNHNENLNAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLNCX
MDN4083LEA0722NMNHNENLNCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLNPX
MDN4083LEA0722NMNHNENLNPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLNSX
MDN4083LEA0722NMNHNENLNSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNHNENLNWX
MDN4083LEA0722NMNHNENLNWX
Limited Stock
From
Get Price
Cutler Hammer
800
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