Liebert GXT3 true on-line UPS combines low cost of ownership with rich functionality, small size and high capacity. This true on-line UPS offers internal batteries, optional external batteries, and internal bypass capability, resulting in continuous uptime for the connected equipment.Designed for rack-mount or tower modes, the Liebert GXT3 is just 2U high, and is available in 500, 700, 1000, 1500, 2000, and 3000 VA ratings, in both 120V and 230V models. ? ?????Warranty 2 years, Onsite by Emerson ?อ่านเพิ่มเติม