Uninterruptible Power Supply Impulse Forward 31-20 - UPS

Uninterruptible Power Supply Impulse Forward 31-20 - UPS Model:FORWARD 31-20 UPS type:online Rated power:20 kVA / 20 kW Number of phases (input):3 Input voltage:220 - 240 V Input voltage range:304 - 478 (lin-lin) at full load; 228 - 304 (ling-ling) load Output voltage:220 - 240 V Input power factor:0.99 Output power factor:0.9 Input frequency:50 or 60 Hz Input frequency range:40 - 70 Distortion - Linear Load:<1.5% Distortion - non-linear load:<6% Input current distortion:<3% (100% Linear Load) Weight without battery:30 Kg Dimensions, WxDxH:485x750x130 mm Efficiency:95.5% from mains, 98% ECO mode, 95% from battery Noise level:65dB @ 100% load, 62dB @ 45% load dB Overload capacity of the inverter:110% within 1 hour; 125% for 10 minutes; 150% for 1 minute; > 150% for 200ms USB interface:there is RS232:there is Cold start:Yes Humidity:0 to 95% Working temperatures:0 - 40 Crest factor:3:1 Bypass rated voltage:380 - 415 Bypass voltage range:-40% ~ + 25% (configurable) Bypass frequency range:± 1Hz, ± 3Hz, ± 5Hz (adjustable)