Telescopic lightning protection mast with screw foundation, tested according to DIN EN 62561-(1+2). For protection against direct lightning strikes in special systems, e.g. biogas plants, PV systems in open spaces. The telescopic lightning protection masts with screw foundation are dimensioned according to Eurocode 1 (DIN EN 1991-1-4 + DIN EN 1991-1-4/NA) for a maximum gust wind speed of 159 km/h. The masts are erected in screw foundations, so no excavation or foundation work is necessary. The screw foundation is simply screwed into the natural soil without any special preparation and additionally fixed with deep earth rods. Design height 9000 mm above ground.