light fitting for offices, schools etc. for lighting the workspace with high demand on visual performance pursuant to EN 12461-1; optical system with mirrored parabolic louvre without glare, UGR < 19; digitally dimmable DALI driver (AC/DC), backup power supply with self-test. and operating time 3 hrs.; emergency back-up power supply for permanent and emergency lighting, connected to L3 (lum. flux 440lm); Body: steel sheet, aluminium silver colour (RAL 9006); Diffuser: glossy parabolic louvre, UGR ‹19; Reflector: steel sheet, white (RAL 9003); Connection: screwless seven-pole terminal block; Power: 38,4 W; Luminaire flux: 4170 lm; Lifetime: L90/B10; 50000 hours; Impact strength: IK02; Ambient temperature: 0|35 °C; Weight: 5,8 kg;