The mounting plate with integrated selector switch for photovoltaic charging (ECO) or grid charging (GRID) is designed for the Wallbox eMH1. The charging cable can be easily wound up on the cable hanger, which reduces the risk of tripping in the garage and keeps the wall clean and tidy. The coupling relay supplied is installed in the compatible Wallbox eMH1 and connected to the inverter of the PV system. The installer sets a PV power value in the inverter that corresponds to the PV system and the needs. When the set power value is reached, the control output of the inverter enables the charging process. The vehicle then charges with a fixed charging current.