42928769 MIRL NIV LED2800-840 M625L WB LDO KA Modular LED ceiling-recessed luminaire with lens optic. , Slave luminaire for DALI control (DALI only) with LED converter; LED service life lasts 100000 h before luminous flux is reduced to 95% of the initial value. Chromaticity tolerance (initial MacAdam): 2. Luminaire luminous flux: 2830 lm, Luminaire efficacy: 164 lm/W. Colour rendering Ra > 80, colour temperature 4000 K. Symmetric very wide distribution luminaire (wide beam). Light control via square lens optic for glare-free light distribution with UGR < 19 and L65 < 3000 cd/m² as per EN 12464; low dirt sensitivity and simple cleaning; flat sheet steel luminaire housing with enamelled finish in white; Installation as height-adjustable luminaire for cut ceiling apertures and modular ceilings with concealed or visible grid system;