Designation=Vandal-proof pushbutton, Type=RND 210-00408, Actuating force=4 N, Size of cut-out (diameter)=19 mm, Length=39 mm, Power supply lighting=24 V, Connection type=Flat plug-in tongue, 2.8 x 0.5 mm, Type of illumination=ring, Type of actuator=pushbutton, Labelling=circle, Colour of illumination=green, Colour of switch=silver, Contact configuration=1 change-over contact, Mounting type=panel mounting, Switch material=brass stainless steel, Switching function=latching, Protection class=IP67, Size cut-out (rectangular)=-888, Contact voltage=250 VAC, Contact current=5 A.