... above 150%:transfer to Bypass after 1MinLow Voltage ProtectionAutomatically shutdownTempreture ProtectionAutomatically Transfer to Bypass while ... 4msTotal Efficiency≥90%IndicatorsLCDVFD/LCD Indicator StatusInput/Output Voltage,Frequency,Output Power,Battery,Utility,Inverter,Overload,Fault,BypassCommunication PortRs232/ ... 00 79.00 85.00 Single Phase Online & Sine Wave Uninterruptible Power Supply(UPS)