Multipole surge arrester DEHNguard MP, type 2 + type 3 according to EN 61643-11, consisting of a base part with plug-in protection modules and a double push-in connection terminal suitable for stub and through-wiring. High device safety is ensured thanks to arrester monitoring with thermo-dynamic control. This device is designed for protecting low-voltage consumer installations against overvoltages and is suitable for use in the lightning protection zone concept at interfaces 0B 1 and higher.