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
HDA36040SLYP
HDA36040SLYP
In Stock
From
$648.56
Square D
40
3
HDA36040SN
HDA36040SN
In Stock
From
$648.56
Square D
40
3
HDA36040SNYP
HDA36040SNYP
In Stock
From
$648.56
Square D
40
3
HDA36040SP
HDA36040SP
In Stock
From
$648.56
Square D
40
3
HDA36040SPYP
HDA36040SPYP
In Stock
From
$648.56
Square D
40
3
HDA36040SR
HDA36040SR
In Stock
From
$648.56
Square D
40
3
HDA36040SRYP
HDA36040SRYP
In Stock
From
$648.56
Square D
40
3
HDA36040SV
HDA36040SV
In Stock
From
$648.56
Square D
40
3
HDA36040SVYP
HDA36040SVYP
In Stock
From
$648.56
Square D
40
3
HDA36040UA
HDA36040UA
In Stock
From
$648.56
Square D
40
3
HDA36040UAYP
HDA36040UAYP
In Stock
From
$648.56
Square D
40
3
HDA36040UD
HDA36040UD
In Stock
From
$648.56
Square D
40
3
HDA36040UDYP
HDA36040UDYP
In Stock
From
$648.56
Square D
40
3
HDA36040UH
HDA36040UH
In Stock
From
$648.56
Square D
40
3
HDA36040UHYP
HDA36040UHYP
In Stock
From
$648.56
Square D
40
3
HDA36040UJ
HDA36040UJ
In Stock
From
$648.56
Square D
40
3
HDA36040UJYP
HDA36040UJYP
In Stock
From
$648.56
Square D
40
3
HDA36040UK
HDA36040UK
In Stock
From
$648.56
Square D
40
3
HDA36040UKYP
HDA36040UKYP
In Stock
From
$648.56
Square D
40
3
HDA36040UN
HDA36040UN
In Stock
From
$648.56
Square D
40
3
HDA36040UNYP
HDA36040UNYP
In Stock
From
$648.56
Square D
40
3
HDA36040UO
HDA36040UO
In Stock
From
$648.56
Square D
40
3
HDA36040UOYP
HDA36040UOYP
In Stock
From
$648.56
Square D
40
3
HDA36040UP
HDA36040UP
In Stock
From
$648.56
Square D
40
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