... ONLINE UPS IGBT and digital control technolgoy 3phase input,1phase output Application: net server, computer center,Generator ONLINE UPS3 phase input, 1 phase ... also generator and SMT machine.Features:1. Three phase input, one phase output2. True on-line double conversion design ... and digital control technology5. Wide input voltage and frequency range6. Pure sine wave output less than 3% THD7. ...