... Large-scale special integrated circuit,and adopts SMT process. General:Type DTS557 Three-phase watt-hour meter applies Large-scale ... 6A1.0DTS5573X220V/380V1.5/6, 3/6, 5/20, 10/40,15/60,20/80, 30/100A1.0DTS5573X100V1.5/6 ... 3/6A2.0DTS5573X380V1.5/6, 3/6, 5/20, 10/40,15/60,20/80, 30/100A2.0According to the ... Voltage: 220VRated Current: 1.5/6A, 2.5/10A, 10/40A, 15/60A, 20/80A, 30/100A DTS557 three-phase ...