Low-voltage switchgear and controlgear - Part 5-5: Control circuit devices and switching elements - Electrical emergency stop device with mechanical latching function

https://shop.standards.ie/en-ie/standards/i-s-en-60947-5-5-1997-a1-2005-a11-2013-a2-2017-872252_saig_nsai_nsai_2911821/