DIN EN 50152-2-1998 轨道交通.固定设备.交流电开关装置的特殊要求.第2部分:单相隔离开关,接地开关和电压在1Kv以上的各类开关
Railway applications - Fixed installations - Particular requirements for AC switchgear - Part 2: Single-phase disconnectors, earthing switches and switches with Um above 1 kV; German version EN 50152-2:1997