1.flush button,max 360V 2.life time:20000 hours 3.CE,CCC approved 4.magnetic starter,contact DIA16-(E)series pushbuttons TA16-E11 TA16-E22 TA16-E11T TA16-E22TTA16-E11TA16-E22Momentary TA16-E11TTA16-E22TMaintained round pushbutton red,green,yellow,blue,white,black