JockeyXG Pump Controllers FTA550E Series & FTA556E Series (Wye-Delta Open Transition)
Firetrol® FTA550E Series JockeyXG Pump Controllers are intended for use with fire pump systems. They are used for pressure maintenance in fire pump installations to prevent unnecessary operation of the main fire pump. FTA556E Series are basically the same as the FTA550E Series except they utilize wye-delta open transition starting instead of across the line starting. Approvals — Firetrol Jockey Pump Controllers are listed by Underwriters Laboratories, Inc.
