Driving method Regular inverter power supply system housing tower type Rated input voltage AC100V/110V/115V/120V Rated input frequency 50/60±4Hz Number of input phases Single-phase 2-wire Input outlet shape 3P (NO 5-15P/L5-20P) Rated output voltage 100V mode AC100±3%, 110V mode AC110±3%, 115V mode AC115±3%, 120V mode AC120±3% Rated output frequency 50/60Hz±1Hz Number of output phases Single-phase 2-wire Output outlet shape NO 5-15R Number of output outlets (backup) 5 Number of output outlets (through) none Power consumption (W) Normal/Max Typically 45W/Max 55W Maximum output capacity (W) 1050W Maximum output capacity (VA) 1500VA Backup time (at full load) 4 points Output frequency during battery operation 50/60±1Hz Output waveform during battery operation sine wave Switch-to-battery time no interruption battery type sealed lead acid battery number of batteries 1 charging time 8 hours Power management software (attached software) Yes PowerActPro (with automatic shutdown software) Power management software compatible OS Windows Server 2003/XP/2000/Me/98/Linux Surge function none Safety Specifications UL1778, CE, VCCI Class A External dimensions (body size) 224(H)×145(W)×480(D)mm(±1) weight About 16.5kg accessories 3P-2P conversion plug, connection cable (RS232C (approx. 2.2m)), AC input plug for 20A (NEMA L5-20P), battery expansion possible (BUM150S) Other environmental and safety standards WL 1778/h