Processor-Controlled 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 and OEM-specific reserved memory areas. It 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 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.