1. Home / 
  2. All Categories / 
  3. Circuit-Breakers

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
5SY6106-7BB
5SY6106-7BB
In Stock
From
$8.09
Siemens
6
1
5SY6204-8
5SY6204-8
In Stock
From
$41.07
Siemens
4
2
5SY6506-7
5SY6506-7
In Stock
From
$39.27
Siemens
5
5
5SY6508-8
5SY6508-8
Limited Stock
From
Get Price
Siemens
8
5
5SY7106-7
5SY7106-7
In Stock
From
$41.07
Siemens
6
1
600T-102
600T-102
In Stock
From
$88.29
Kele & Associates
-
-
655D555G12
655D555G12
In Stock
From
$1,073.27
Cutler Hammer
-
-
6997D20G42
6997D20G42
Limited Stock
From
Get Price
Westinghouse
-
-
6ES7590-1AE80-0AA0
6ES7590-1AE80-0AA0
In Stock
From
$62.47
Siemens
-
-
6ES7590-1AF30-0AA0
6ES7590-1AF30-0AA0
Limited Stock
From
Get Price
Siemens
-
-
6LES315T
6LES315T
In Stock
From
$69.52
Cutler Hammer
-
-
6LES450T
6LES450T
In Stock
From
$106.51
Cutler Hammer
-
-
80122-005-01
80122-005-01
In Stock
From
$6.50
Square D
-
-
8184A39H01
8184A39H01
In Stock
From
$74.56
Eaton
-
-
8NES450T
8NES450T
In Stock
From
$136.28
Cutler Hammer
-
-
8NES500T
8NES500T
In Stock
From
$114.44
Cutler Hammer
-
-
8US1-921-2BA00
8US1-921-2BA00
Limited Stock
From
Get Price
Siemens
-
-
8US1-922-1AC00
8US1-922-1AC00
In Stock
From
$10.36
Siemens
-
-
8US1-922-1GA00
8US1-922-1GA00
In Stock
From
$13.13
Siemens
-
-
8US1-922-1GA02
8US1-922-1GA02
In Stock
From
$4.34
Siemens
-
-
8US1-923-2AA00
8US1-923-2AA00
In Stock
From
$16.82
Siemens
-
-
8US1-998-2BM00
8US1-998-2BM00
In Stock
From
$14.00
Siemens
-
-
8US1011-4TM00
8US1011-4TM00
In Stock
From
$284.82
Siemens
-
-
8US1011-5NE00
8US1011-5NE00
Limited Stock
From
Get Price
Siemens
-
-
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