Detailed Product Description Technical parameters: 1) Standard: GB/T17215-2002, GB/T18460.3-20012) Accuracy: Class 1.0 and class 2.03) Rated voltage: alternating current 220V4) Rated frequency: 50 Hz5) Current range: 5(20)A, 5(30)A, 10(40)A, 15(60)A, 20(80)A6) Meter constant: 1600imp/kwh, 800imp/kwh7) Starting current: 0.4% Ib (class 1.0)Main function:1) Prepayment energy management, the supply ...