Combined lightning and surge protection device type 1+2, for protecting low-voltage consumer systems against lightning currents and surges. Tested SPD type 1 and type 2 according to DIN EN 61643-11. The combination arresters can be used as surge protection devices according to 0100 part 443 and part 534, as well as within the framework of the lightning protection zone concept. The devices consist of leakage-current-free spark gaps and are suitable for the pre-meter area. The function display is provided by an optical display and can be snapped onto the 40mm busbar system without the need for tools.
