... *96MM specification. Model: YD4UI-9X4Technical parameter PerformanceParameterNetwork3 phase 3 line,3 phase 4 line Voltage Rated voltageAC100V,400V(please note when purchase)OverloadPermanent ... class, reactive power accuracy rate0.5% classDisplayProgrammable, switching, circular two, three, or four rows LED display Operation rangeAC/DC 80~270VPower ...