Processor-Controlled Ballast with xitec II inside and highest possible energy class CELMA EEI A1 BAT. It features noise-free precise control via DALI or DSI signal and switchDIM or corridorFUNCTION. It also features intelligent temperature guard, intelligent voltage guard, optimum filament heating in any dimmer setting, disconnection of filament heating from a dimming level of approximately 90% for maximum energy efficiency, fade rates between 100ms and 90s corridorFUNCTION with ambient light control. It offers automatically triggered emergency lighting value in DC mode 15%, can be set between 3 and 100%, for emergency lighting systems as per EN 50172, automatic start after replacement of defective lamps, automatic shutdown if the lamp is faulty and dimming possible in DC mode.