Square D Circuit Breakers

Square D Circuit Breakers

Find what you need quickly with the SEARCH BAR at the top of the page or choose your specs in the LEFT COLUMN to narrow the results below. If you need help identifying your breaker, here are some tips. Or just give us a call at 800-540-7821 or email us.

Items 1 to 36 of 86 total

per page

Page:
  1. 1
  2. 2
  3. 3
  • Square D SQD QO110

    Square D SQD QO110 1-P, 10A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.62
  • Square D SQD QO115

    Square D SQD QO115 1-P, 15A, 120/240V, type QO Circuit Breaker

    View Product Details

    $6.12
  • Square D SQD QO115GFI

    Square D SQD QO115GFI 1-P, 15A, 120V, type QO Circuit Breaker

    View Product Details

    $44.95
  • Square D SQD QO115VH

    Square D SQD QO115VH 1-P, 15A, 120/240V, type QO Circuit Breaker

    View Product Details

    $12.26
  • Square D SQD QO115VHGFI

    Square D SQD QO115VHGFI 1-P, 15A, 120V, type QO Circuit Breaker

    View Product Details

    $93.09
  • Square D SQD QO120

    Square D SQD QO120 1-P, 20A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.94
  • Square D SQD QO120GFI

    Square D SQD QO120GFI 1-P, 20A, 120V, type QO Circuit Breaker

    View Product Details

    $37.50
  • Square D SQD QO120VH

    Square D SQD QO120VH 1-P, 20A, 120/240V, type QO Circuit Breaker

    View Product Details

    $12.26
  • Square D SQD QO120VHGFI

    Square D SQD QO120VHGFI 1-P, 20A, 120V, type QO Circuit Breaker

    View Product Details

    $93.09
  • Square D SQD QO125

    Square D SQD QO125 1-P, 25A, 120/240V, type QO Circuit Breaker

    View Product Details

    $7.47
  • Square D SQD QO125GFI

    Square D SQD QO125GFI 1-P, 25A, 120V, type QO Circuit Breaker

    View Product Details

  • Square D SQD QO125VH

    Square D SQD QO125VH 1-P, 25A, 120/240V, type QO Circuit Breaker

    View Product Details

    $14.06
  • Square D SQD QO125VHGFI

    Square D SQD QO125VHGFI 1-P, 25A, 120V, type QO Circuit Breaker

    View Product Details

    $93.09
  • Square D SQD QO130

    Square D SQD QO130 1-P, 30A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.58
  • Square D SQD QO130GFI

    Square D SQD QO130GFI 1-P, 30A, 120V, type QO Circuit Breaker

    View Product Details

    $43.11
  • Square D SQD QO130VH

    Square D SQD QO130VH 1-P, 30A, 120/240V, type QO Circuit Breaker

    View Product Details

    $14.06
  • Square D SQD QO130VHGFI

    Square D SQD QO130VHGFI 1-P, 30A, 120V, type QO Circuit Breaker

    View Product Details

    $93.09
  • Square D SQD QO135

    Square D SQD QO135 1-P, 35A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.62
  • Square D SQD QO140

    Square D SQD QO140 1-P, 40A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.62
  • Square D SQD QO145

    Square D SQD QO145 1-P, 45A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.62
  • Square D SQD QO150

    Square D SQD QO150 1-P, 50A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.62
  • Square D SQD QO1515

    Square D SQD QO1515 TWIN-P, 15/15A, 120/240V, type QO Circuit Breaker

    View Product Details

  • Square D SQD QO160

    Square D SQD QO160 1-P, 60A, 120/240V, type QO Circuit Breaker

    View Product Details

    $5.62
  • Square D SQD QO170

    Square D SQD QO170 1-P, 70A, 120/240V, type QO Circuit Breaker

    View Product Details

    $12.96
  • Square D SQD QO2020

    Square D SQD QO2020 TWIN-P, 20/20A, 120/240V, type QO Circuit Breaker

    View Product Details

  • Square D SQD QO210

    Square D SQD QO210 2-P, 10A, 120/240V, type QO Circuit Breaker

    View Product Details

    $18.76
  • Square D SQD QO2100

    Square D SQD QO2100 2-P, 100A, 120/240V, type QO Circuit Breaker

    View Product Details

    $36.82
  • Square D SQD QO2100VH

    Square D SQD QO2100VH 2-P, 100A, 240V, type QO Circuit Breaker

    View Product Details

    $60.90
  • Square D SQD QO2110

    Square D SQD QO2110 2-P, 110A, 120/240V, type QO Circuit Breaker

    View Product Details

    $82.65
  • Square D SQD QO2110VH

    Square D SQD QO2110VH 2-P, 110A, 240V, type QO Circuit Breaker

    View Product Details

    $199.81
  • Square D SQD QO2125

    Square D SQD QO2125 2-P, 125A, 120/240V, type QO Circuit Breaker

    View Product Details

    $91.38
  • Square D SQD QO2125VH

    Square D SQD QO2125VH 2-P, 125A, 240V, type QO Circuit Breaker

    View Product Details

    $199.81
  • Square D SQD QO215

    Square D SQD QO215 2-P, 15A, 120/240V, type QO Circuit Breaker

    View Product Details

    $12.62
  • Square D SQD QO215GFI

    Square D SQD QO215GFI 2-P, 15A, 120/240V, type QO Circuit Breaker

    View Product Details

    $79.75
  • Square D SQD QO215VH

    Square D SQD QO215VH 2-P, 15A, 240V, type QO Circuit Breaker

    View Product Details

    $28.13
  • Square D SQD QO220

    Square D SQD QO220 2-P, 20A, 120/240V, type QO Circuit Breaker

    View Product Details

    $13.00

Items 1 to 36 of 86 total

per page

Page:
  1. 1
  2. 2
  3. 3
Square D circuit breakers are available in countless different configurations, reconditioned and new. We list hundreds of models in our online catalog, including popular models like the XO120, EDB34030, KA36200, QOB230, and FA34100, as well as various other models, new, used, and professionally reconditioned. If you're having a difficult time finding the exact part you need, or you're looking for an obsolete/discontinued model that we don't list on our site, CALL US and we'll help you get the Square D breaker you need, quickly. Keep in mind that we offer same day shipping and overnight shipping options.

Square D is an American manufacturer of equipment used to control and distribute electric power headquartered in Palatine, Illinois.

Square D was founded in 1903 in Detroit, Michigan by Bryson Dexter Horton who is credited with the invention of the safety switch which encased high voltage switches and started the company's main line of business of circuit breakers and encased control panels. In 1991, the company was acquired and became a subsidiary of Schneider Electric. Products and systems developed by the Square D brand are present in all sectors of activity, from circuit breakers to monitoring and control systems. The tertiary and residential building sectors are major consumers of Square D product.