DTSY607,DSSY607 Three phase prepaid energy meter: 1.MAX store :9999 kWh 2.Degree of accuracy:1.0,2.0 3.CCC certificate Quick ... )8 The technical parameter of DTSY607 DSSY607 Series Three-Phase Electronic Prepaid Energy Meter as follows: Production DescriptionSuitable for measure rated frequency of ... .5(10),3×5(20),3×10(40),3×15(60),3×20(80)Reference voltage V3×57.7/100,3×220,3×380,3×220/380Degree ...