Electronic ballast Quicktronic Intelligent QTi DALI 2x58W DIMMABLE for T8 fluorescent tubes - OSRAM - Supply voltage: 220…240 V - power frequency: 0, 50…60 Hz - Mains voltage: 198…264 V - For usage in emergency lighting systems in accordance with EN 50172/DIN VDE 0108-100 - Configurable emergency power properties; light value without control signal between 100 % and 1 % light current adjustable - Same light current with direct and alternating voltage - Battery voltage may decrease down to 154 V, ignition may be above 198 V - Digitally regulated preheating - Perfect bulb warm start for usage with motion detector, bulb start within 0.6 s - Optimal preheating in any dimmer setting - Dimming range: 1...100% light current - Highest energy efficiency through cut-off technology (cut-off above 80 % light current) and lowest connection output with rated light current - Up to 100,000 h lifespan and more - Automatic safety shut down with defective bulb and at the end of the bulb's lifespan (EoL T