Photo Switch 1,Output:NPN or PNP,NO/NC; 2.Wiring: ... 2/3 wires; 3.CE certification. SG series Photo Switch,Photoelectrical Sensor 1, Principle:photoelectric sensor makes use of inspected ... of objects.The move distance is much large than proximity switch,up to 10m;can drive relay,AC contactor or ... /3 wires,AC 2/3 wires,standard cable and interface,various dimensions available.5, Power supply :DC 10-30V or ...