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
Poles
S173D
S173D
In Stock
From
$2,808.10
Merlin Gerin
-
S173E
S173E
In Stock
From
$2,811.33
Merlin Gerin
-
S173F
S173F
In Stock
From
$4,043.36
Schneider Electric
-
S173G
S173G
In Stock
From
$4,004.16
Square D
-
S173H
S173H
In Stock
From
$4,009.22
Merlin Gerin
-
S173N
S173N
In Stock
From
$860.10
Merlin Gerin
-
S173R
S173R
In Stock
From
$4,512.39
Square D
-
S174C
S174C
In Stock
From
$3,096.77
Merlin Gerin
-
S174D
S174D
In Stock
From
$3,066.31
Merlin Gerin
-
S174E
S174E
In Stock
From
$3,436.37
Merlin Gerin
-
S174F
S174F
In Stock
From
$3,474.37
Schneider Electric
-
S174H
S174H
In Stock
From
$2,640.00
Square D
-
S174R
S174R
In Stock
From
$3,098.22
Schneider Electric
-
ST308S-LS-400A
ST308S-LS-400A
In Stock
From
$2,804.94
Merlin Gerin
3
ST308S-LSI-1200A
ST308S-LSI-1200A
In Stock
From
$2,873.91
Merlin Gerin
3
ST308S-LSI-250A
ST308S-LSI-250A
In Stock
From
$2,789.34
Merlin Gerin
3
ST308S-LSI-400A
ST308S-LSI-400A
In Stock
From
$2,734.39
Merlin Gerin
3
ST308S-LSI-800A
ST308S-LSI-800A
In Stock
From
$710.76
Merlin Gerin
3
STR28D-LI-2000A
STR28D-LI-2000A
In Stock
From
$851.35
Merlin Gerin
3
STR28D-LI-3000A
STR28D-LI-3000A
In Stock
From
$599.22
Merlin Gerin
3
STR53UP
STR53UP
In Stock
From
$165.06
Merlin Gerin
3
STR58U-LSI-800A
STR58U-LSI-800A
In Stock
From
$231.47
Merlin Gerin
3
TM125D-4P
TM125D-4P
In Stock
From
$397.99
Merlin Gerin
4
TM16D
TM16D
In Stock
From
$27.53
Merlin Gerin
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