Detecting if AC appliance is powered

Other Hardware General Electronics
3

I using this solution

  1. Work fine with PS2501 and PS2505
  2. PS250X can work with 80V AC
  3. R1 don´t warm soo much, not need big dissipation
  4. C1 is a poliester capacitor
  5. Work fine with ~110V and ~220-~230V
  6. With only one C1 I can energize 2 ps250X