Balluff BCS G06T4D2-PSM15C-S49G Capacitive Sensors : Rated operating voltage Ue DC : 24 V ; Electrical connection : M8x1-Male, 3-pin ; Ø 6.5 x 54 mm (flush mount) ; Rated operating distance Sn : 1.5 mm ; Switching output : PNP normally open (NO)