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Recent content by shmuelcohen

  1. S

    220V AC detection for relay switch

    Explain, please, in more detail, I do not know what it is about. Thank you.
  2. S

    220V AC detection for relay switch

    I have 2 heating elements that operate from 115 volts. At a voltage of 115 volts, I want to connect them in parallel. At a voltage of 230 volts, I want to connect them in series. The input voltage varies from 115 (100, 110, 115, 127) to 230 (220, 230, 240) volts. I need to switch the relay at a...
  3. S

    220V AC detection for relay switch

    Help solve the problem. I have a relay that should switch at 220V (COM from NC to NO), and at 110V remain unchanged (COM remain on NC).
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