The RT Systems RTT-3K is a 3KVA (2700W) freestanding tower online UPS for medium-sized offices that need solid power protection without rack-mount installation. It provides true double-conversion protection with internal batteries (72VDC) in a standalone tower cabinet. It's a good match for offices running several workstations along with a small server and VoIP or networking equipment. Suitable equipment includes 3-5 desktop PCs, a small server, a networking rack, a CCTV control room, and a VoIP phone system. On light load, expect up to 1 hour of backup on 7Ah batteries or 1+ hour on 9Ah batteries. Price excludes VAT.