Driving method Regular inverter power supply system housing Stationary type Rated input voltage AC200V/AC220V/AC230V/AC240V Rated input frequency 50/60Hz±4Hz Number of input phases Single-phase 2-wire Input outlet shape NEMA L6-20P Rated output voltage AC200V±3%/AC220V±3%/AC230V±3%/AC240V±3% Rated output frequency 50/60Hz±1Hz (during backup) Number of output phases Single-phase 2-wire Output outlet shape C19, C13, terminal block Number of output outlets (backup) C19 (1 piece), C13 (5 pieces), terminal block (2 systems) Number of output outlets (through) none Maximum output capacity (W) 2100W Maximum output capacity (VA) 3000VA Backup time (at full load) 5 points Output frequency during battery operation 50/60Hz±1Hz Output waveform during battery operation sine wave Switch-to-battery time no interruption battery type sealed lead battery number of batteries 1 charging time 8 hours