Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function— 35 стр.
Low-voltage switchgear and controlgear - Product data and properties for information exchange (IEC 121A/5/CDV:2014); German version FprEN 62683:2014— 58 стр.
Low-voltage switchgear and controlgear - Part 5-1: Control circuit devices and switching elements - Electromechanical control circuit devices (IEC 60947-5-1:2003 + A1:2009) (english version)
