Single-pole, coordinated N-PE lightning current arrester DEHNgap Maxi, type 1 according to EN 61643-11. Total current arrester specially for use in the TT system in the 3+1 and 1+1 circuit according to DIN VDE 0100-534 between N and PE for Uc = 440V. For protecting low-voltage consumer systems against overvoltages, even in the event of direct lightning strikes. For use in the lightning protection zone concept at the interfaces 0A - 1 in the 3+1 circuit variant.