... to move, save shipping cost5. High reliability, low fault rate, minimize repair trouble6. Easy to ... , 380V, 400V, 415V, 440V(±10%)frequency range50Hz, 60Hzphasesthree phase three wire+groudning wireDC ... one year is very lowProtectionsComplete, Phase loss, input under voltage, overvoltage, output under-voltage, ... water cooling plate, and water cooled transformer(approved patent). Forced air cooling also ...