... southe africa market ApplicationDD450 series long-life single-phase watt-hour energy meter is used for measuring single-phase AC active ... circuit,<1W and <5VA 6.Starting current,max is 0.5% of basic current 7.Withstand impact voltage, withstand impact ... 25 years. 9.Basic current specification,1.5(6)A, 2.5(10)A, 5(20)A, 10(40)A, 15(60 ... )A, 20(80)A, 5(30)A and 10(60)A Energy ...