42925643 MIRL NIV LED3800-830 M625Q LDO 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 80% of the initial value. Chromaticity tolerance (initial MacAdam): 2. Luminaire luminous flux: 3650 lm, Luminaire efficacy: 157 lm/W. Colour rendering Ra > 80, colour temperature 3000 K. Symmetric wide distribution luminaire . Light control via square lens optic for glare-free light distribution with UGR < 16 and L65 < 1000 cd/m² as per EN 12464:2011; 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; please order fixing kit separately; Luminaire wired with halogen-free leads; Dimensions: 623 x 623 x 74 mm, weight: 6.84 kg