OSRAM 4008321873767 | Ballast QTP-OPTIMAL 2x18-40/220-240V

QTP-OPTIMAL 2x18-40/220-240V ballast. Product benefits: Long lifespan, No adverse effects from frequent plugging and unplugging, Automatic restart after lamp replacement, Perfect lamp start for applications with motion sensors, VDE/VDE CEM certified system, Very high energy efficiency thanks to Cut-Off technology. Areas of application: Emergency lighting installations according to EN 50172/DIN VDE 0108-100, Industry, Open-plan offices, corridors and warehouse areas, Public buildings, Sports halls and factories, Light band, Suitable for emergency lighting (DC operation) , Modernization of existing installations, Suitable for luminaires of protection classes I and II. Product features: Supply voltage: 220…240 V, Line voltage: 198…264 V, Line frequency: 0 Hz | 50Hz | 60 Hz, Starting of the lamps with optimum filament preheating, Service life: up to 100,000 h (temperature at Tc = 65 °C, failure rate max. 10 %), Energy efficiency index EEI: A2 BAT, Automatic switch-off of defective and end-of-life lamps (EoL T.2), Safety: according to EN 61347-2-3, Lamp performance: according to EN 60929.