Electronic ballast for ring-shaped LL 16 mm. Product features: Supply voltage: 220.240 V. Mains voltage: 198.264 V. Mains frequency: 0 Hz, 50 Hz, 60 Hz. Lamp start with optimal filament preheating. Energy efficiency index EEI: A2 BAT. Automatic safety shutdown in the event of a lamp defect or at the end of the lamp's life (EoL). Lamp operation: in accordance with EN 60929. Safety: in accordance with EN 61347-2-3. Product advantages: Long lamp life. High switching strength. Automatic restart after lamp replacement. Perfect lamp warm start for applications with motion detectors. Independent installations thanks to optional cable clamp for K2 and K3 housing. VDE/VDE EMC-certified system. Areas of application: Emergency lighting systems in accordance with EN 50172 / DIN0108-100. Open-plan offices, corridors or storage rooms. Public buildings. Suitable for luminaires of protection class I.