... AC Automatic Voltage Regulator(AVR,stabilizer)PVC-500VA, 1000VA, 1500VA, 2000VA, 3000VA, 5kVA, PVC-8kVA,and PVC-10kVAPVC series single-phase voltage ... : no additional waveform distortionInsulationresistance:≥2MΩ plastic face AC Voltage Regulator(AVR,stabilizer)