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Recent content by sayedahmed

  1. sayedahmed

    Question about non-automatic transfer switch

    Thanks all, I think change over switch is more a Appropriate also i will use mechanical interlock
  2. sayedahmed

    Question about non-automatic transfer switch

    thanks all for reply. I need this to work between generator and main , it is not manual with handle and also not ATS. can i count on wiring the NO for the first contactor with NC for the second contactor and vice versa so when the first is on the second is off and when the second is on the...
  3. sayedahmed

    Question about non-automatic transfer switch

    hi, i want to design non-automatic transfer switch by 2 contactors and push buttons. my question is do i need mechanical between the 2 contactors? or it is enough to work with NO-NC for both contactors. please help me
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