The AUX9339 series UPS is a three phase in and three phase out online transformer-based Low Frequency UPS. It is designed for harsh environment especially industrial application. The product capacity covers all power range from 10kVA to 400kVA. It’s advanced battery charging system enables the UPS to supply a long backup time while the charging time is rather short, and it’s temperature compensation system can help to prolong the service life of the battery. It’s true double-conversion online technology provides pure and safe power , and the DSP technology responds quickly to different power supply problems, making sure high levels of reliability and protection for industrial facilities and mission critical systems.