Single-pole, coordinated N-PE lightning current arrester DEHNgap Maxi S, type 1 according to EN 6143-11. Total current arrester specially designed for use in the TT system in the 3+1 and 1+1 circuit according to DIN0100-534 between N and PE for mounting on industrial busbar systems, 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