20-60kVA Power Tower Series UPS 380/400/415VAC, 3:3 The Power Tower series UPS is designed and built using state of the art technology and modern components. It has double conversion technology and it is controlled by double DSPs (Digital Signal Processor) microprocessor to provide maximum protection to the powered loads with no impact on downstream systems and optimized energy savings. Its highly flexible design allows full compatibility with both three-phase and single-phase power supplies, thus eliminating problems in connecting the UPS to the system. The Power Tower series UPS is an ideal solution for protecting data centers and telecommunication systems, IT networks and critical systems especially when the poor energy supply hampers the continuity of activities and services.