Boasting an Energy Class A1 rating this excellent HF ballast also offers automatic restart after lamp replacement, 1-100% dimming and programmed start. As a Philips Regulator II High Frequency Ballast using 1-10 Volt protocol it is a great solution for 4 x 18 Watt TLD lamps in daylight linking and movement detection applications, as well as remote control systems and emergency backup installations. Smart power ensures constant light and HF operation improves lamp life and light quality. This ballast measures just 360mm x 30mm x 21mm.
for Philips Fluorescent Quad 18 Watt TL-D 1-10V Dimming HF-R