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.

25 Item(s)

per page

  • Square D SQD LC26300

    Square D SQD LC26300 2-P, 300A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26300AB

    Square D SQD LC26300AB 2-P, 300A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26300AC

    Square D SQD LC26300AC 2-P, 300A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26300BC

    Square D SQD LC26300BC 2-P, 300A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26350

    Square D SQD LC26350 2-P, 350A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26350AB

    Square D SQD LC26350AB 2-P, 350A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26350AC

    Square D SQD LC26350AC 2-P, 350A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26350BC

    Square D SQD LC26350BC 2-P, 350A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26400

    Square D SQD LC26400 2-P, 400A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26400AB

    Square D SQD LC26400AB 2-P, 400A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26400AC

    Square D SQD LC26400AC 2-P, 400A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26400BC

    Square D SQD LC26400BC 2-P, 400A, 600V, type LC Circuit Breaker

    View Product Details

    $1,606.89
  • Square D SQD LC26500

    Square D SQD LC26500 2-P, 500A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26500AB

    Square D SQD LC26500AB 2-P, 500A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26500AC

    Square D SQD LC26500AC 2-P, 500A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26500BC

    Square D SQD LC26500BC 2-P, 500A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26600

    Square D SQD LC26600 2-P, 600A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26600AB

    Square D SQD LC26600AB 2-P, 600A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26600AC

    Square D SQD LC26600AC 2-P, 600A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC26600BC

    Square D SQD LC26600BC 2-P, 600A, 600V, type LC Circuit Breaker

    View Product Details

    $1,680.26
  • Square D SQD LC36300

    Square D SQD LC36300 3-P, 300A, 600V, type LC Circuit Breaker

    View Product Details

    $1,785.24
  • Square D SQD LC36350

    Square D SQD LC36350 3-P, 350A, 600V, type LC Circuit Breaker

    View Product Details

    $1,785.24
  • Square D SQD LC36400

    Square D SQD LC36400 3-P, 400A, 600V, type LC Circuit Breaker

    View Product Details

    $1,785.24
  • Square D SQD LC36500

    Square D SQD LC36500 3-P, 500A, 600V, type LC Circuit Breaker

    View Product Details

    $1,867.02
  • Square D SQD LC36600

    Square D SQD LC36600 3-P, 600A, 600V, type LC Circuit Breaker

    View Product Details

    $1,867.02

25 Item(s)

per page

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.