APC Smart UPS SRT SRTRK3 Uninterruptible Power Supply 2 Post Mounting Rail Kit

Amazon

Easily Installed - The existing PSU & FanTray can be removed and the replacement Booster Kit installed in minutes and using only a screw driver and a pair of clippers or scissors Includes : Installation guide , Mounting hardware , Rack Mounting brackets

Zoro Tools

Apc - Ups Mounting Kit - Rack Mountable - For Smart-Ups Srt 10000va, 2200va, 3000va, 5000va, 6000va, 8000va