Reliable energy saving Philips Regulator II High Frequency Ballast for 36 watt TLD fluorescent lamps that offers programmed start 1-100% dimming and an energy class A1 rating. This gear uses 1-10 Volt protocol and also benefits from automatic restart after lamp replacement and flicker free ignition. Suitable for daylight linking and movement detection applications as well as remote control systems and emergency backup installations it will ensure constant light output long lamp life and good light quality. This is a slim ballast measuring just 360mm x 30mm x 21mm.