... trade with many countries 4.New product development a AVR-III series is the high precision and intelligent automatic voltage regulator ... no waveform distortion,high cost performance of AVR-II.AVR-III can be widely used in family,factory,laboratory and ... .818.520.42522.62918.520.5Package DImensions470X185X245560X275X265640X380X350470X260X290 [EYEN] AVR III - RAE Series Relay automatic voltage regulator