DIN EN 60947-5-5-2015 低压开关设备和控制设备.第5-5部分:控制电路器件和切换元件.具有机械锁扣功能的电气紧急故障中断器件(IEC 60947-5-5-1997+A1-2005);德文版本EN 60947-5-5-1997+A1-2005+A11-2013
Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function (IEC 60947-5-5:1997 + A1:2005); German version EN 60947-5-5:1997 + A1:2005 + A11:2013