DIN EN 50152-2-2008
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 a.c. switchgear - Part 2: Single-phase disconnectors, earthing switches and switches with Un above 1 kV; German version EN 50152-2:2007