1.Location of use: Photovoltaic DC side (e.g., between PV panels and inverter)

2.Earth connection: TN/TT system; PE terminal for grounding

3.Protection mode: Differential mode (positive/negative to PE)

4.IEC/EN category: Type 2 according to IEC/EN 61643-31 (specific for PV systems)

5.Compliance: IEC/EN 61643-31 CE marked CB marked