Square D Circuit Breakers

Square D Circuit Breakers

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Items 1 to 36 of 40 total

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  • Square D SQD EJB14015

    Square D SQD EJB14015 1-P, 15A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14020

    Square D SQD EJB14020 1-P, 20A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14025

    Square D SQD EJB14025 1-P, 25A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14030

    Square D SQD EJB14030 1-P, 30A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14035

    Square D SQD EJB14035 1-P, 35A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14040

    Square D SQD EJB14040 1-P, 40A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14045

    Square D SQD EJB14045 1-P, 45A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14050

    Square D SQD EJB14050 1-P, 50A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14060

    Square D SQD EJB14060 1-P, 60A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB14070

    Square D SQD EJB14070 1-P, 70A, 480V, type EJB Circuit Breaker

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    $78.88
  • Square D SQD EJB24015

    Square D SQD EJB24015 2-P, 15A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24020

    Square D SQD EJB24020 2-P, 20A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24025

    Square D SQD EJB24025 2-P, 25A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24030

    Square D SQD EJB24030 2-P, 30A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24035

    Square D SQD EJB24035 2-P, 35A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24040

    Square D SQD EJB24040 2-P, 40A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24045

    Square D SQD EJB24045 2-P, 45A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24050

    Square D SQD EJB24050 2-P, 50A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24060

    Square D SQD EJB24060 2-P, 60A, 480V, type EJB Circuit Breaker

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    $239.83
  • Square D SQD EJB24070

    Square D SQD EJB24070 2-P, 70A, 480V, type EJB Circuit Breaker

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    $395.85
  • Square D SQD EJB24080

    Square D SQD EJB24080 2-P, 80A, 480V, type EJB Circuit Breaker

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    $395.85
  • 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 EJB24100

    Square D SQD EJB24100 2-P, 100A, 480V, type EJB Circuit Breaker

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    $395.85
  • Square D SQD EJB24110

    Square D SQD EJB24110 2-P, 110A, 480V, type EJB Circuit Breaker

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  • Square D SQD EJB24125

    Square D SQD EJB24125 2-P, 125A, 480V, type EJB Circuit Breaker

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  • Square D SQD EJB34015

    Square D SQD EJB34015 3-P, 15A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34020

    Square D SQD EJB34020 3-P, 20A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34025

    Square D SQD EJB34025 3-P, 25A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34030

    Square D SQD EJB34030 3-P, 30A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34035

    Square D SQD EJB34035 3-P, 35A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34040

    Square D SQD EJB34040 3-P, 40A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34045

    Square D SQD EJB34045 3-P, 45A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34050

    Square D SQD EJB34050 3-P, 50A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34060

    Square D SQD EJB34060 3-P, 60A, 480V, type EJB Circuit Breaker

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    $262.45
  • Square D SQD EJB34070

    Square D SQD EJB34070 3-P, 70A, 480V, type EJB Circuit Breaker

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    $495.32
  • Square D SQD EJB34080

    Square D SQD EJB34080 3-P, 80A, 480V, type EJB Circuit Breaker

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    $495.32

Items 1 to 36 of 40 total

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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.