Help wiring relay to LED driver - L/N on driver to L/O on relay?
According to manual, bypass required then is no neutral. It is the wiring then the device installed in switch box. Sometimes switch box does not have neutral wire. Installing in lighting fixture or connection box bypass not needed. Apply fig.1 from manual. Power line connect to L of switch, O connect with L of LED power supply. All neutrals connect together,N of power, N of switch and N of LED PS. Device designed to use with in-wall wiqeiring. If  intend to use it with cord and plug, make sure the plug is polarized. Do not mix between neutral and phase