The Vision Dual series (tower and rack) includes models from 1100 VA to 3000 VA. The Vision Dual series, for its connectivity and advanced communications, is the ideal solution for the most demanding customers who require a power supply system that offers superior protection and versatility for the protection of critical loads - floor standing or rackmount servers, network hardware and storage systems. Vision Dual has a modern design, choice of functional formats, and represents the state-of-the-art technology from the Riello UPS research & development team. The UPS can achieve an operating efficiency of 98% and has a output power factor of 0,9.