... 2.Wiring:DC 2/3 wires,AC 2/3 wires; 3.CE certification. SG series Photo Switch,Photoelectrical ... .The move distance is much large than proximity switch,up to 10m;can drive relay,AC contactor ... etc,movement distance within 5cm--10m selectable.4, Wiring:DC 2/3 wires,AC 2/3 wires, ... field, such as machinery, electrical cabinet, power sub-station, industrial automation, etc.. In addition to supply MYPIN ...