Tripp Lite's high voltage SmartOnLine SU3000RTXL3UHV on-line double conversion UPS protects critical server networking or telecommunications equipment from blackouts voltage fluctuations and surges. Multi-use form factor occupies only 3 rack spaces (3U) in standard 19 inch rackmount configuration and includes tower stands to support upright placement. Large capacity 3kVA / 2400 watt UPS continuously converts incoming AC to DC then back to perfect sine wave AC output at selectable 200/208/220/230/240V AC (+/-2%) output. Removes harmonic distortion fast electrical impulses frequency fluctuations and other hard-to-solve power problems not addressed by other UPS types.