... 96X96MM specification. Model: YD4UI-9X4Technical parameterPerformanceParameterNetwork3 phase 3 line,3 phase 4 line Voltage Rated voltageAC100V,400V(please ... times temporary:2 times/10sPower consumption<1VA(each phase)Impedance>300kΩAccuracyRMS measurement, CLASS 0.5 ... accuracy rate0.5% classDisplayProgrammable, switching, circular two, three, or four rows LED display Operation rangeAC/DC 80 ...