A Processor-Controlled Electronic Ballast with xitec II inside and highest possible energy class CELMA EEI A1 BAT. It offers noise-free precise control via DALI or DSI signal, switchDIM or corridorFUNCTION, 100000 hours nominal life-time and Multilamp management. Intelligent temperature guard, intelligent voltage guard, optimum filament heating in any dimmer setting. It features disconnection of filament heating from a dimming level of approximately 90% for maximum energy efficiency corridorFUNCTION with ambient light control, automatically triggered emergency lighting value in DC mode 15%, for emergency lighting systems as per EN 50172, automatic start after replacement of defective lamps and automatic shutdown if the lamp is faulty.