Combined 4-pole lightning and surge arrester SPD type 1+2 with a lightning current discharge capacity of 100kA. Consists of a base and plug-in protection modules, leakage current-free on a spark gap basis, function display and a potential-free signaling contact (TS). Installation takes place on a top hat rail and can also be carried out in the uncounted area of the electrical system according to TAB. The combination arresters are used as surge protection devices according to VDE 0100 part 443 and part 534, as well as within the framework of the lightning protection zone concept according to DIN VDE 0185-305.
Mainly used in industry, commerce and commercial buildings.