Telescopic lightning protection mast with screw-in foundation, tested to DIN EN 62561-(1+2). For protecting special facilities, such as biogas plants and free field PV systems, against direct lightning strikes. The telescopic lightning protection masts with screw-in foundation are dimensioned to Eurocode 1 (DIN EN 1991-1-4 + DIN EN 1991-1-4/NA) for a max. gust wind speed of 112 km/h. The masts are erected in a screw-in foundation, meaning no excavation or foundation work is required. The screw-in foundation is simply screwed into the natural soil and also fixed with earth rods without any special preparation. Version with a height of 11000 mm above ground.