The Osram Quicktronic Professional Optimal is an electronic ballast for fluorescent lamps and compact fluorescent lamps. This ECG guarantees a long lamp life and is not affected by frequent switching on and off. The Quicktronic Optimal is the perfect electronic ballast for use with motion detectors. This ECG from Osram has very high efficiency thanks to its cut-off technology. Ideal applications for the Quicktronic Professional Optimal ECG are emergency luminaires, industry, offices, corridors, warehouses, public buildings, sports halls, runway lighting and modernisation of existing systems. Long lamp life No impairment due to frequent switching on and off Automatic restart after lamp replacement Perfect lamp start for applications with motion detectors Very high energy efficiency due to cut-off technology Supply voltage: 220-240 V Mains voltage: 198-264 V Mains frequency: 0 Hz / 50 Hz / 60 Hz Lamp start with optimum filament preheating Service life: up to 100,000 hours Energy efficiency index EEI: A2 BAT Automatic cut-off of defective lamps and at the end of the service life.