0.4-3kVA Power Aurora Series UPS 220/230/240VAC, 1:1 PowerAurora Series UPS is an off-line UPS with the most advanced DSP control technology which can protect the sensitive device from utility fail, over/under voltage, surges, transients, spikes and other electrical abnormalities. With automatic boot voltage regulation and wide input voltage range, PowerAurora is a good choice to be applied to all kinds of complex power environment.