1)DDSY1777 2)Accuracy:2.0 3)220V, 1.5(6), 3(6),2(8)A, 2.5(10), 3(12)A, 5(20), 10(40), 15(60), 20(80), 30(100) 4)ISO, CCC DDSY1777 series single phase prepayment watt-hour meterRated voltage:220VUltimate loadvoltage:65%-190% rated voltageCurrent Range:1.5(6), 3(6),2(8)A, 2.5(10), 3(12)A, 5(20), 10(40), 15(60), 20(80), 30(100)Power consumption:<0.6WPrecision:2.0Rated freqency:50/60HzStartup Current ...