... ,no waveform distortion,high cost performance of AVR-II.AVR-III can be widely used in family, ... the quantites of relay will be changed also, for example input 176V~264V, the degree ofaccuracy is ... capacity. A. It depends on which model.For example for relay type small capacity , month capacity can ... ? A. Our company already achieve ISO, ccc, and for products, we have CE, SONCAP, GOST, UL(pending) ...