The Signa® plastic sign fluorescent ballast line includes our MSB-3 Series which replaces up to 100 conventional ballasts with just three models...and ensures you always have the right sign ballast for every application from 1 to 6 lamps, 2 to 48 feet. Signa Electronic Sign ballasts provide maximum performance efficiency with fewer wires to connect.
MSB-3 Series reduces inventory
High Output Ballasts for reliable low-temperature starting
SIGNA Wiring Blocks for easy conversion