Mackwell Ballasts

Mackwell D138 4Cell 38w Emergency Module

The Mackwell D113+ is an M1/M3 3 cell combination emergency module and ballast to run 9w or 11w single turn compact fluorescent lamps or 13w double...

The Mackwell D121+ is an M1/M3 4 cell combination emergency module and ballast to run 21w 2D compact fluorescent lamps. This module is designed for...

Both obsolete, we still have the 3 cell Trisonic version . No 4 Cell variants are avaialbe  The Mackwell D128+ is an M1/M3 4 cell combination emerg...