DIN EN 60099-8-2011 电涌放电器.第8部分:交流电架空输电和配电线路带外串联间隙(EGLA)的金属氧化物电涌放电器电压超过1 kV的系统(IEC 60099-8:2011);德文版本EN 60099-8-2011
Surge arresters - Part 8: Metal-oxide surge arresters with external series gap (EGLA) for overhead transmission and distribution lines of a.c. systems above 1 kV (IEC 60099-8:2011); German version EN 60099-8:2011