42189843 LE FE 1/35 L15 3400-840 REF EVG Refurbishment insert for replacing conventional fluorescent lamp luminaires. Customised refurbishment insert for precise fitting into the original surround. Universal light module with linear primary optic for mounting behind the original anti-glare louvre.. Designed as part of the Mirel and Miral luminaire family for 1:1 interchangeability in terms of lighting technology [luminous fluxes, LDC (uniformity), 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: 3510 lm in the intended luminaire (depending on the degree of soiling of the louvre, an optical luminaire efficiency of 75% - 78% is assumed). Retention of the light distribution of the original luminaire-louvre combination. Colour rendering Ra > 80, colour temperature 4000 K. Insert made of white sheet steel, low dirt sensitivity and simple cleaning; light insert for connection on primary side. Luminous efficacy of light unit: 125-130 lm/W. Glare-reduced light distribution with UGR < 19 and L65 < 1500 cd/m² or UGR < 22 in accordance with EN 12464-1, Dimensions: 1440 x 52 x 56 mm, weight: 1.35 kg. Refurbishment inserts wired with halogen-free leads. For luminaire dimensions: 1498 x 114 x 85 mm or 1548 x 114 x 85 mm; 1/T16,