| Item Description | Lightning current arrester for two 2-CORE telecommunication and signalling lines, installation at the entry into building / max. 70 V, pluggable module, floating / D1, C2 EN 61643-21+A1, A2:2013, IEC 61643-21+A1, A2:2012 / pluggable module, line separated from protective earth via GDT, lightning current arrester of two 2/3-CORE signalling lines, installation at the boundary of LPZ 0 and LPZ 1 zones at the line entry into building, for protection signalling, data and other lines against surge voltage |