Multipole surge arrester DEHNcube YPV SCI 1000 1M with IP 65 degree of protection. Type 2 according to EN 61643-31 to protect two MPP inputs. Three-step d.c. switching device with combined disconnection and short-circuiting device with safe electrical isolation. For protecting low-voltage consumer's installations against surges. For use in accordance with IEC 60364-7-712:2011-04 (Installation of photovoltaic power supply systems).