... wire + ground wire / 1 phase 2 wire + ground wireinput voltage380V/220V±20%, 400V/230V±20%, 415V/240V±20%input frequency50Hz±4 ... distortion (THDI)5%input power factor≥0.99bypass inputinput voltage380V/220V±20%, 400V/230V±20%, 415V/240V±20%input frequency50Hz±4 ... ( 2 hours back up capacity)AC outputpower factor0.8output voltage380V/220V±2%,400V/230V±2%,415V/240V±2%output frequency50Hz±4 ...