... 3.OEM/ODM; MOQ: 1 set 4.Input :304-456V 5.Output 380V+/-0.5% JJW, JSW Series Purifying AC voltage regulator ... , which combines integrated voltage regulator and purification, using sinusoidal voltage regulator technology, energy distribution, with regulator, high precision, fast ... instruments, test equipment. 20KVA JJW precised single phase voltage regulator