--- http://www.sven.fi/ru/catalog/ups/rt-1000.htm UPS type line-interactive of continuous action with long backup time Total power, VА 1000 Active power, W 600 Input voltage level, V ~ 145 – 280 ± 5 % Output voltage level, V ~ 230 ± 10 % Output voltage waveform regular sinusoidal signal Input frequency, Hz 50 Output frequency, Hz 50 Number of phases 1 Overload protection acting, % 120 Protection against short circuit, overvoltage or undervoltage of the mains and overload Beeps low battery charge, overload, error Accumulator typen on-serviceable leakproof lead-acid batteries (not included) Typical switching time, ms ≤ 8 Cooling type passive / active Operation mode continuous action with long backup time Noise level, dB < 56 Operating temperature, °С 5 to 40 Operating humidity, % 10 - 90, without condensation Efficiency, % 65 Dimensions, mm 300 × 270 × 140 Weight, kg 9.9 Color black