Topology: On-line double conversion with PFC (Power Factor Correction) system, Configuration: Rack/Tower, Part Number: 9PX6Ki, Rating (VA/Watts): 6000/5400, Nominal Voltage: 200/208/220/230/240V, Frequency: 50/60 Hz autoselection, Frequency Range: 40-70 Hz, Short Circuit Current: 90 A, Load Crest Factor: 3:1, Extended Battery Capability: EBM (3U), User Interface: Multilingual graphical LCD display, Audible Noise: