Tripp lites smx5000xlrt3u is a 5000va line interactive ups for server network and telecommunications equipment this ups contains internal batteries and requires only 3 rack spaces when installed a nominal input voltage of 230v is accepted the smx5000xlrt3u corrects brownouts and overvoltages from 170 to 282v and maintains battery derived ac output during blackouts and severe voltage fluctuations expandable runtime exists with optional external battery packs unit has 11 output receptacles