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 60099-8:2017); German version EN IEC 60099-8:2018
电涌放电器.第8部分:1kV以上交流系统架空输配电线路用带外部串联间隙(EGLA)的金属氧化物电涌放电器(IEC 60099-8-2017);德国版本EN IEC 60099-8:2018