... performance, Strong isolation, Anti-Vibration.Performance CharacteristicsHigh-precision measure three-phase voltage, three-phase current, active power, reactive power,apparent power,power factor,frequency ... -3D6Y√ 1 RH-3D8√ 1√ 45*45 30.TRI-PHASE MULTI FUNCTION POWER METER ModelModeFace Frame SizeHole SizemmmmRH-3D2LED 120*120111*111RH-3D2YLCD120*120111 ...