EPS Type:2.2KW,3.7KW,9KW,18.5KW,22KW,30KW Input voltage:380V+/-10% Output voltage:380V Frequency:50/60Hz Phase:three EPSType:2.2KW,3.7KW,9KW,18.5KW,22KW,30KWInput voltage:380V+/-10%Output voltage:380V Frequency:50/60HzPhase:three phasesInstallation: On the groundBackup time: 90 MinutesPower capacity:0.6-10KWLong life More than 20 years. EPS emergency power supply