Multi-pole combination arrester DEHNventil modular, Type 1 + Type 2 according to EN 61643-11 based on spark gaps, consisting of a base unit and plug-in protection modules. Maximum system availability thanks to RADAX-Flow follow-up current limitation. Enables terminal device protection. For protecting low-voltage consumer systems against overvoltages, even in the event of direct lightning strikes. Can be used in accordance with the lightning protection zone concept at interfaces 0A - 2. Sales unit: 1 PC.