Rated power 3.600 VA Active power 3,240 W The power factor 0,9 Technologies Online Transformer-free Converter with Double Conversion (VFI-SS-111) Cooling Fan cooling Audible noise < 45 dBA at a distance of 1 m Positioning Placement in an upright position or in a 19-inch rack (2U) Number of phases 1F+N Rated voltage 208 VAC/220 VAC/230 VAC/240 VAC (optional) Static voltage Linear load regulation %100 ±1% (online mode and battery) Voltage CNI at rated linear load <2% (linear load), <8% (non-linear load) The Cross factor 3:1 Frequency 50/60 Hz (optional) Free rotation speed ±0.2 Hz The signal form of the inverter The sine wave The possibility of overload 110 % audible warning only, 110-130% for 30 seconds, >130% for 100 ms Efficiency of 94%, calculated in double conversion mode up to 100% load according to standard 62040-3. Transfer time 0 ms (online) Lead-acid type, sealed, maintenance-free Backup time (typical) 10-30 min. Extended autonomy External battery compartment (optional) Operating temperature From 0 to 55 °C (recommended from 20 to 25 °C) Humidity < 95% non-condensing Maximum height 3000 m IP protection IP20