... =5V 2.Approved CQC,UL,CSA 3.Rohs&CE Certificate 4.factory Opto coupler 817General information1,CQC,UL, CSA certification 2 ... (100%)B130260C200400D300600Application1, Computer terminals2, Systems control, measurement instruments3, Copying machine, Printer, Vending Machine, etc4, Consuming appliances, fan, water heater etc5, Photoelectric ...