This is a 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, switchDIM or corridorFUNCTION and nominal life-time up to 100000 hours. 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.