Helvar EL SC 1x21HFC Helvar EL1x21sc
The Helvar EL SC 1x21HFC now a Helvar EL1x21sc is a dimmable high frequency ballast is to run 1 x 21w T5 fluoresent tube. They can be dimmed from 1-100%, extremeley low energy consumption, Flicerless light, Optimum cathode control and simultaneous lighting control by switch-control and analog control.
