Downlight luminaires with aluminum housing, high luminous efficacy and low glare, external DALI-2 driver. : IoT-ready luminaire with DALI-2 technology. Aluminum luminaires with 4 different cut-outs and mirror-finished reflector UGR ≤ 19. Very homogenous light distribution. External driver with Multi Lumen function of up to 5000 lm. Multi Color function. Consistent lighting color ≤ 3 SDCM. Lifetime (L80/B10): 70,000 h (at 25 °C). : Suitable luminaire for VIVARES and other DALI-2 Light Management Systems. Extended services such as energy monitoring and remote maintenance possible with DALI versions. Homogenous light distribution and reduced glare UGR ≤ 19. Energy savings thanks to high system efficacy: up to 120 lm/W. Highly versatile due to Multi Select functions. High color rendering index CRI > 90. External driver for extended flexibility and easy installation. Through wiring possible via additional connector box accessory. Type of protection: IP44. Easy installation with fast connection. Further variants with DALI-2 driver, Zigbee driver or Emergency Conversion Kit available. : Direct replacement for recessed luminaires with fluorescent lamps. Offices, conference rooms. Reception areas, foyers, corridors, elevators. : Surface mounting frame only available for DALI versions D200 and D250 as separate accessory. Security rope for luminaire included. External control gear included. Suitable for use with separate Emergency Conversion Box. Gray and black exchangeable rings available as separate accessory. Extension rings are available as separate accessory. : All electrical connections must be made by a qualified person.. Caution, risk of electric shock.. The luminaires are not suitable for covering with thermally insulated material..