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Switchgear Riddle No.2 – Busbar temperature rise

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  • #327
    Nima

      I have heard about limitation temperature rise for switchboard busbars in continuous operation duty as 80˚C which shall be considered for busbar sizing, is there any reason for it?

      I have heard about limitation temperature rise for switchboard busbars in continuous operation duty as 80˚C which shall be considered for busbar sizing, is there any reason for it?

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    • #1627
      Hamid

        Aluminum and copper conductors start oxidizing at about 90

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