An impressive 50000 hour service over 60000 on/off switches on one lamp and excessive mains voltage protection are standard features of this Philips Performer III Intelligent Ballast. Offering energy-efficient sustainable operation of Triple and Quad 14 Watt TL5 fluorescent tubes this slim and lightweight gear is ideal for commercial and retail as well as Class 1 outdoor installations. It benefits from programmed flicker free start automatic restart and constant light irrespective of mains voltage fluctuations. Additional features include DC emergency operation and suitability for movement detection control systems.