Last updated 9 months ago
Supply 100 - 240 volts AC at coil point.
When there is no voltage at coil points, the NC input supply will go to output and WAPDA will remain disconnected.
When there is a voltage at coil points, NC will disconnect and the WAPDA input supply will go to output.
You may supply coil supply either from UPS or from wifi or a timer device to control the relay.
