... 1 flush spring return pushbutton,1 red, spring return, mushroom head pushbutton.Emergency stop or Emergency switching off, with:1 ... red, latching, mushroom head pushbutton 3 (standard or trigger action), eitherpush-pull ... 2 flush spring return pushbuttons 1 + 1 red, latching, mushroom headpushbutton 3.These pushbuttons, switches and pilot lights comprise plastic ...