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Square D™ QO™ and QOB Miniature Circuit Breakers

QO(B) miniature circuit breakers for QO systems

QO(B) circuit breakers come in plug-on or bolt-on options and a complete range of amperages and interrupting ranges to fit into various QO distribution panels. QO is the “World’s Finest” Industry leading offer since 1955, with features engineered for faster installation, reliability and quality.

Schneider Eletric Square D Picture
Square D™ QO™ and QOB Miniature Circuit Breakers
  Back   Miniature Circuit Breakers

Square D™ QO™ and QOB Miniature Circuit Breakers

      • 128 products available

        • Best price
          Schneider Eletric QOB340EPD Picture

          QOB340EPD

          Mini CB, QO, 40 A, 3P, 240 V, 10 kA, Bolt on, EPD

          1,100.00 USD

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          The maximum number of products that can be compared is 4
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          Schneider Eletric QOB340EPD5238 Picture

          QOB340EPD5238

          Mini CB, QO, 40 A, 3P, 240 V, 10 kA, Bolt on, EPD

          1,320.00 USD

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          The maximum number of products that can be compared is 4
        • Best price
          Schneider Eletric QOB340EPE Picture

          QOB340EPE

          Mini CB, QO, 40 A, 3P, 240 V, 10 kA, Bolt on, EPE

          1,100.00 USD

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          The maximum number of products that can be compared is 4
        • Best price
          Schneider Eletric QOB340EPE5238 Picture

          QOB340EPE5238

          Mini CB, QO, 40 A, 3P, 240 V, 10 kA, Bolt on, EPE

          1,320.00 USD

          Add to My Products Remove from My Products
          The maximum number of products that can be compared is 4
        • Best price
          Schneider Eletric QOB350EPD Picture

          QOB350EPD

          Mini CB, QO, 50 A, 3P, 240 V, 10 kA, Bolt on, EPD

          1,100.00 USD

          Add to My Products Remove from My Products
          The maximum number of products that can be compared is 4
        • Best price
          Schneider Eletric QOB350EPD5238 Picture

          QOB350EPD5238

          Mini CB, QO, 50 A, 3P, 240 V, 10 kA, Bolt on, EPD

          1,320.00 USD

          Add to My Products Remove from My Products
          The maximum number of products that can be compared is 4
        • Best price
          Schneider Eletric QOB350EPE Picture

          QOB350EPE

          Mini CB, QO, 50 A, 3P, 240 V, 10 kA, Bolt on, EPE

          1,100.00 USD

          Add to My Products Remove from My Products
          The maximum number of products that can be compared is 4
        • Best price
          Schneider Eletric QOB350EPE5238 Picture

          QOB350EPE5238

          Mini CB, QO, 50 A, 3P, 240 V, 10 kA, Bolt on, EPE

          1,320.00 USD

          Add to My Products Remove from My Products
          The maximum number of products that can be compared is 4