The 22185111 from Tridonic is a Processor-Controlled Ballast with xitec II inside and highest possible energy class CELMA EEI A1 BAT (1). It offers noise-free precise control via DALI or DSI signal, switchDIM or corridorFUNCTION, nominal life-time up to 100000 hours, Multilamp management and OEM-specific reserved memory areas. Intelligent temperature guard. It also offers 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 100 and 90s corridorFUNCTION with ambient light control. It features automatically triggered emergency lighting value in DC mode 15%, can be set between 1 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.