Multi-pole surge arrester DEHNguard PV2 SCI, type according to EN 61643-31 for the protection of MPP inputs. The three-stage DC switching device consists of a base unit and plug-in protection modules, featuring a combined disconnection and short-circuit device as well as safe electrical separation within the protection module. Designed to protect low-voltage consumer systems from surges. For use in accordance with IEC 60364-7-712:2002-05 when installing photovoltaic supply systems. DG M PV2 SCI 1000.