Low-voltage switchgear and controlgear - Part 5-5: Control circuitdevices and switching elements - Electrical emergency stop device with mechanical latching function— 86 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)
