Pushbuttons from item are universal command output devices that measure 22 mm in diameter. They are integrated into item Mounting Boxes K76 M45 using the Mounting Clamp for Contact Blocks, 22mm (0.0.691.55) and Adapter M45 for Control Circuit Device, 22mm. When a hazardous situation arises, machines need to be shut down immediately and safely. Emergency Stop Button, Turn-Release, 22mm initiates this action at the touch of a button. Once it has been pressed, the button can be released again by turning it. The buttons are held in place at the rear by the threaded ring that is included in the scope of supply. The fixings are suitable for a wall thickness of 1 to 6 mm.