Multipole type 1 and type 2 combined lightning current and surge arrester for DEHNcombo YPV photovoltaic generator circuits of type 1 and type 2, according to EN 61643-31 with three-step DC switching device. Combined disconnection and short-circuiting device. For protecting photovoltaic inverters against surges and even direct lightning strikes. For use in accordance with IEC 60364-7-712:2002-05 (Installation of photovoltaic power supply systems).