Square D Circuit Breakers

Square D Circuit Breakers

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20 Item(s)

per page

  • Square D SQD MAP231000

    Square D SQD MAP231000 3-P, 1000A, 600V, type MAP Circuit Breaker

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    $2,456.30
  • Square D SQD MAP261000

    Square D SQD MAP261000 2-P, 1000A, 600V, type MAP Circuit Breaker

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    $2,128.89
  • Square D SQD MAP26300

    Square D SQD MAP26300 2-P, 300A, 600V, type MAP Circuit Breaker

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  • Square D SQD MAP26350

    Square D SQD MAP26350 2-P, 350A, 600V, type MAP Circuit Breaker

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  • Square D SQD MAP26400

    Square D SQD MAP26400 2-P, 400A, 600V, type MAP Circuit Breaker

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    $1,152.17
  • Square D SQD MAP26450

    Square D SQD MAP26450 2-P, 450A, 600V, type MAP Circuit Breaker

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    $1,152.17
  • Square D SQD MAP26500

    Square D SQD MAP26500 2-P, 500A, 600V, type MAP Circuit Breaker

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    $1,152.17
  • Square D SQD MAP26600

    Square D SQD MAP26600 2-P, 600A, 600V, type MAP Circuit Breaker

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    $1,152.17
  • Square D SQD MAP26700

    Square D SQD MAP26700 2-P, 700A, 600V, type MAP Circuit Breaker

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    $1,492.34
  • Square D SQD MAP26800

    Square D SQD MAP26800 2-P, 800A, 600V, type MAP Circuit Breaker

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    $1,492.34
  • Square D SQD MAP26900

    Square D SQD MAP26900 2-P, 900A, 600V, type MAP Circuit Breaker

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    $2,128.89
  • Square D SQD MAP36300

    Square D SQD MAP36300 3-P, 300A, 600V, type MAP Circuit Breaker

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    $1,461.60
  • Square D SQD MAP36350

    Square D SQD MAP36350 3-P, 350A, 600V, type MAP Circuit Breaker

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    $1,461.60
  • Square D SQD MAP36400

    Square D SQD MAP36400 3-P, 400A, 600V, type MAP Circuit Breaker

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    $1,461.60
  • Square D SQD MAP36450

    Square D SQD MAP36450 3-P, 450A, 600V, type MAP Circuit Breaker

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    $1,461.60
  • Square D SQD MAP36500

    Square D SQD MAP36500 3-P, 500A, 600V, type MAP Circuit Breaker

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    $1,461.60
  • Square D SQD MAP36600

    Square D SQD MAP36600 3-P, 600A, 600V, type MAP Circuit Breaker

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    $1,461.60
  • Square D SQD MAP36700

    Square D SQD MAP36700 3-P, 700A, 600V, type MAP Circuit Breaker

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    $1,919.22
  • Square D SQD MAP36800

    Square D SQD MAP36800 3-P, 800A, 600V, type MAP Circuit Breaker

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    $1,919.22
  • Square D SQD MAP36900

    Square D SQD MAP36900 3-P, 900A, 600V, type MAP Circuit Breaker

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    $2,456.30

20 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.