Square D Circuit Breakers

Square D Circuit Breakers

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Items 1 to 36 of 90 total

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  • Square D SQD EDB24090

    Square D SQD EDB24090 2-P, 90A, 480V, type EDB Circuit Breaker

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    $146.16
  • Square D SQD EDB34090

    Square D SQD EDB34090 3-P, 90A, 480V, type EDB Circuit Breaker

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    $176.03
  • Square D SQD EGB24090

    Square D SQD EGB24090 2-P, 90A, 480V, type EGB Circuit Breaker

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  • Square D SQD EGB34090

    Square D SQD EGB34090 3-P, 90A, 480V, type EGB Circuit Breaker

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    $249.69
  • Square D SQD EHB24090

    Square D SQD EHB24090 2-P, 90A, 277/480V, type EHB Circuit Breaker

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  • Square D SQD EHB34090

    Square D SQD EHB34090 3-P, 90A, 277/480V, type EHB Circuit Breaker

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  • Square D SQD EJB24090

    Square D SQD EJB24090 2-P, 90A, 480V, type EJB Circuit Breaker

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    $395.85
  • Square D SQD EJB34090

    Square D SQD EJB34090 3-P, 90A, 480V, type EJB Circuit Breaker

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    $495.32
  • Square D SQD FA14090A

    Square D SQD FA14090A 1-P, 90A, 277V, type FA Circuit Breaker

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    $64.09
  • Square D SQD FA14090B

    Square D SQD FA14090B 1-P, 90A, 277V, type FA Circuit Breaker

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  • Square D SQD FA14090C

    Square D SQD FA14090C 1-P, 90A, 277V, type FA Circuit Breaker

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    $64.09
  • Square D SQD FA22090AB

    Square D SQD FA22090AB 2-P, 90A, 240V, type FA Circuit Breaker

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    $119.19
  • Square D SQD FA22090AC

    Square D SQD FA22090AC 2-P, 90A, 240V, type FA Circuit Breaker

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    $119.19
  • Square D SQD FA22090BC

    Square D SQD FA22090BC 2-P, 90A, 240V, type FA Circuit Breaker

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    $119.19
  • Square D SQD FA24090AB

    Square D SQD FA24090AB 2-P, 90A, 480V, type FA Circuit Breaker

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    $160.95
  • Square D SQD FA24090AC

    Square D SQD FA24090AC 2-P, 90A, 480V, type FA Circuit Breaker

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    $160.95
  • Square D SQD FA24090BC

    Square D SQD FA24090BC 2-P, 90A, 480V, type FA Circuit Breaker

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    $160.95
  • Square D SQD FA26090AB

    Square D SQD FA26090AB 2-P, 90A, 600V, type FA Circuit Breaker

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    $182.99
  • Square D SQD FA26090AC

    Square D SQD FA26090AC 2-P, 90A, 600V, type FA Circuit Breaker

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    $182.99
  • Square D SQD FA26090BC

    Square D SQD FA26090BC 2-P, 90A, 600V, type FA Circuit Breaker

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    $182.99
  • Square D SQD FA32090

    Square D SQD FA32090 3-P, 90A, 240V, type FA Circuit Breaker

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    $150.80
  • Square D SQD FA34090

    Square D SQD FA34090 3-P, 90A, 480V, type FA Circuit Breaker

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    $192.56
  • Square D SQD FA36090

    Square D SQD FA36090 3-P, 90A, 600V, type FA Circuit Breaker

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    $224.75
  • Square D SQD FAL12090

    Square D SQD FAL12090 1-P, 90A, 120V, type FAL Circuit Breaker

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    $50.46
  • Square D SQD FAL14090

    Square D SQD FAL14090 1-P, 90A, 277V, type FAL Circuit Breaker

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    $60.32
  • Square D SQD FAL22090

    Square D SQD FAL22090 2-P, 90A, 240V, type FAL Circuit Breaker

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    $104.98
  • Square D SQD FAL24090

    Square D SQD FAL24090 2-P, 90A, 480V, type FAL Circuit Breaker

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    $152.25
  • Square D SQD FAL26090

    Square D SQD FAL26090 2-P, 90A, 600V, type FAL Circuit Breaker

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    $171.97
  • Square D SQD FAL32090

    Square D SQD FAL32090 3-P, 90A, 240V, type FAL Circuit Breaker

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    $136.01
  • Square D SQD FAL34090

    Square D SQD FAL34090 3-P, 90A, 480V, type FAL Circuit Breaker

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    $178.64
  • Square D SQD FAL36090

    Square D SQD FAL36090 3-P, 90A, 600V, type FAL Circuit Breaker

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    $215.47
  • Square D SQD FAP12090

    Square D SQD FAP12090 1-P, 90A, 120V, type FAP Circuit Breaker

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    $50.46
  • Square D SQD FAP14090

    Square D SQD FAP14090 1-P, 90A, 277V, type FAP Circuit Breaker

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    $60.32
  • Square D SQD FAP22090

    Square D SQD FAP22090 2-P, 90A, 240V, type FAP Circuit Breaker

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    $104.98
  • Square D SQD FAP24090

    Square D SQD FAP24090 2-P, 90A, 480V, type FAP Circuit Breaker

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    $152.25
  • Square D SQD FAP26090

    Square D SQD FAP26090 2-P, 90A, 600V, type FAP Circuit Breaker

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    $171.97

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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.