VDE/VDE EMV. EN 61347-2-3, EN 60929. Electronic ballast Quicktronic Professional Optimal. The Osram Quicktronic Professional Optimal is an electronic ballast for fluorescent lamps and compact fluorescent lamps. This electronic ballast ensures a long lamp life and is not affected by frequent on and off switching. The Quicktronic Optimal is the perfect electronic ballast for use with motion detectors. This ballast from Osram boasts very high efficiency thanks to its shutdown technology. Ideal applications for the Quicktronic Professional Optimal ballast include emergency lighting, industry, offices, corridors, storage rooms, public buildings, sports halls, runway lighting, and modernization of existing systems. Long lamp life, unaffected by frequent on and off switching, automatic restart after lamp replacement, perfect lamp start for applications with motion detectors, and very high energy efficiency due to shutdown technology. Supply voltage: 220–240 V, mains voltage: 198–264 V, mains frequency: 0 Hz / 50 Hz / 60 Hz, optimal filament preheating for lamp start, lifespan: up to 100,000 hours, energy efficiency index EEI: A2 BAT, automatic shutdown of defective lamps and at the end of their lifespan.