DEM101 three phase electronic prepayment watt-hour meter Application 1. After power cut down, data reserved forever, The direction of electric power can be distinguished automatically, and has function of anti-stealing electricity. 3. May select many kinds of IC card, have IC card with code and data against false. 4. May select 6 digits LED display or 7 digits LCD display. 5. May select payment controls by kWh or money. Technical parameters Name Type Accuracy Rated voltage) Rated current A) Connection Mode Three phase four wire electronic prepayment watt-hour mete31(2),31.5(6),33(6) Input through current transformer Three phase four wire electronic prepayment watt-hour meter DTSY223(DEM101) Class 1 3380/220 35(25),310(50),315(60),320(80),320(100) Directly input Three phase three wire electronic prepayment watt-hour meter DSSY223(DEM101) Class 1 3380 31(2),31.5(6),33(6) Input through current transformer Three phase three wire electronic prepayment watt-hour meter DSSY223(DEM101) Class 1 3380 35(25),310(50),315(60),320(80),320(100) Directly input