42189868 LE FA 1/49 L15 3800-840 LENS EVG Refurbishment insert for replacing conventional fluorescent lamp luminaires. Customised refurbishment insert for precise fitting into the original surround. Universal light module with Light control via combination of lens optic and square reflector.. Prepared for tool-free installation as a refurbishment luminaire for existing luminaire diffusers. Designed as part of the Mirel & Miral luminaire family for 1:1 true-to-original interchangeability in terms of lighting technology [luminous fluxes, CRI, UGR etc.]; 1:1 mechanical interchangeability; 1:1 electrical interchangeability. , electronic ballast with LED converter; LED service life lasts 72000 h before luminous flux is reduced to 70% of the initial value. Chromaticity tolerance (initial MacAdam): 3. Luminaire luminous flux: 3820 lm. Colour rendering Ra > 80, colour temperature 4000 K. Housing made of white sheet steel, low dirt sensitivity and simple cleaning; luminaire with electrical connection from outside.. Luminaire efficacy: 153 lm/W. Glare-reduced light distribution with UGR < 19 and L65 < 1500 cd/m² or UGR < 22 in accordance with EN 12464-1; Dimensions: 1454 x 87 x 50 mm, weight: 2 kg. Refurbishment inserts wired with halogen-free leads. For luminaire dimensions: 1585 x 184 x 74 mm; 1/T16,