The Earthing Device is produced by RAGNAR STÅLSKOG AB and is for use on the railway’s catenary line 80-120 mm2 according to SS 24 01 21 and DIN 43 141, return line Cu 130 mm2 or Al 212 mm2 or other circular, non-flexible conductors with a diameter of 14 – 19 mm and S-Rail (base of the rail 115 – 160 mm).