GOST R 50030.5.5-2011 Low-voltage switchgear and controlgear. Part 5-5. Control circuit devices and switching elements. Electrical emergency stop devices with mechanical latching function
2011GOST R 50030.5.5-2011 Low-voltage switchgear and controlgear. Part 5-5. Control circuit devices and switching elements. Electrical emergency stop devices with mechanical latching function
2000GOST R 50030.5.5-2000 Low-voltage switchgear and controlgear. Part 5-5. Control circuit devices and switching elements. Electrical emergency stop device with mechanical latching function