When the timer function is selected, the device CHCN48 can have 1 main relay output and 1 auxiliary relay.

The auxiliary relay has 2 working modes:

  • Mode A: The auxiliary relay work condition is the same as the main relay. Do not need to preset.
  • Mode B: The auxiliary relay actives when the CHCN48 powers on, and it will be close when the CHCN48 powers off. Do not need to preset.

If you need one of the functions for your application, please indicate when placing an order.