Square D Circuit Breakers

Square D Circuit Breakers

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12 Item(s)

per page

  • Square D SQD NAL261000

    Square D SQD NAL261000 2-P, 1000A, 600V, type NAL Circuit Breaker

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    $3,356.75
  • Square D SQD NAL261200

    Square D SQD NAL261200 2-P, 1200A, 600V, type NAL Circuit Breaker

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    $3,356.75
  • Square D SQD NAL26600

    Square D SQD NAL26600 2-P, 600A, 600V, type NAL Circuit Breaker

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    $3,356.75
  • Square D SQD NAL26700

    Square D SQD NAL26700 2-P, 700A, 600V, type NAL Circuit Breaker

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    $3,356.75
  • Square D SQD NAL26800

    Square D SQD NAL26800 2-P, 800A, 600V, type NAL Circuit Breaker

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    $3,356.75
  • Square D SQD NAL26900

    Square D SQD NAL26900 2-P, 900A, 600V, type NAL Circuit Breaker

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    $3,356.75
  • Square D SQD NAL361000

    Square D SQD NAL361000 3-P, 1000A, 600V, type NAL Circuit Breaker

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    $3,682.71
  • Square D SQD NAL361200

    Square D SQD NAL361200 3-P, 1200A, 600V, type NAL Circuit Breaker

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    $3,682.71
  • Square D SQD NAL36600

    Square D SQD NAL36600 3-P, 600A, 600V, type NAL Circuit Breaker

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    $3,682.71
  • Square D SQD NAL36700

    Square D SQD NAL36700 3-P, 700A, 600V, type NAL Circuit Breaker

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    $3,682.71
  • Square D SQD NAL36800

    Square D SQD NAL36800 3-P, 800A, 600V, type NAL Circuit Breaker

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    $3,682.71
  • Square D SQD NAL36900

    Square D SQD NAL36900 3-P, 900A, 600V, type NAL Circuit Breaker

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    $3,682.71

12 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.