The Tridonic 2 x 14W to 35W T5 Ballast is a non-dimmable, high-frequency ballast designed to run a pair of 14W to 35W T5 fluorescent
...The Tridonic 18W T8 Ballast is a non-dimmable, high-frequency ballast designed to run an 18W T8 fluorescent tube & replace an
...Non-dimmable electronic ballast To suit a range of fluorescent fittings, including SKI & SKIIFor twin fittings Under voltage & overvoltage protection Restarts automatically after lamp change