Uses and Wiring: Press the button to Automatic, the switch will switch to Normal power or reserve power automatically. Press the button to Manual, Then you have to switch the Direction manually. Application: Perfect for off-grid power systems like solar power or generator systems It’s suitable for 3 phase 4 wires (or 1 phase 1 wire) dual power grid with AC 50Hz, rated voltage 220V-240V and rated current up to 63A. When one power system turns off, the switch will automatically connect to an alternative. Use a known solar or backup power installer.
