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
MDN4083LEA0722NMNJ4NNYCWX
MDN4083LEA0722NMNJ4NNYCWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYDAX
MDN4083LEA0722NMNJ4NNYDAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYDCX
MDN4083LEA0722NMNJ4NNYDCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYDPX
MDN4083LEA0722NMNJ4NNYDPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYDSX
MDN4083LEA0722NMNJ4NNYDSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYDWX
MDN4083LEA0722NMNJ4NNYDWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYMAX
MDN4083LEA0722NMNJ4NNYMAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYMCX
MDN4083LEA0722NMNJ4NNYMCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYMPX
MDN4083LEA0722NMNJ4NNYMPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYMSX
MDN4083LEA0722NMNJ4NNYMSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYMWX
MDN4083LEA0722NMNJ4NNYMWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYNAX
MDN4083LEA0722NMNJ4NNYNAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYNCX
MDN4083LEA0722NMNJ4NNYNCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYNPX
MDN4083LEA0722NMNJ4NNYNPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYNSX
MDN4083LEA0722NMNJ4NNYNSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4NNYNWX
MDN4083LEA0722NMNJ4NNYNWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNCAX
MDN4083LEA0722NMNJ4YCNCAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNCCX
MDN4083LEA0722NMNJ4YCNCCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNCPX
MDN4083LEA0722NMNJ4YCNCPX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNCSX
MDN4083LEA0722NMNJ4YCNCSX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNCWX
MDN4083LEA0722NMNJ4YCNCWX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNDAX
MDN4083LEA0722NMNJ4YCNDAX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNDCX
MDN4083LEA0722NMNJ4YCNDCX
Limited Stock
From
Get Price
Cutler Hammer
800
3
MDN4083LEA0722NMNJ4YCNDPX
MDN4083LEA0722NMNJ4YCNDPX
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