60819409 PANOS T L378 2k-940 LDO 3TI AL WH LED ceiling-recessed luminaire (pre-assembled luminaire); flat luminaire design with gently rounded ends; wide light distribution (68 °), maximum luminaire efficiency and optimum downlight lighting technology; high sustainability due to consistent, maximum modular design and interchangeable components, Colour rendering Ra > 90 (R9> 50), colour temperature 4000 K; Chromaticity tolerance (initial MacAdam): 2; Luminaire luminous flux: 2190 lm; Luminaire efficacy: 129 lm/W; , Slave luminaire for DALI control (DALI only) ; reflector made of high-quality UV-resistant polycarbonate; highly reflective aluminized finish, iridescence-free; highly efficient LED light chamber integrated in a design housing made of recycled die-cast aluminium in white; protection rating: IP20; luminaire wired with halogen-free leads; electrical connection: Luminaire with 3-phase InTrack adapter with integrated converter for ZUMTOBEL ADVANCED (L1/L2/L3 + DALI) 3-phase track; mains voltage: 220-240 V / 50/60 Hz; Installation: tool-free quick mounting on rail system; Dimensions: 447 x 62 x 104 mm; weight: 0.92 kg For office applications in accordance with EN12464 (UGR<19) with additional anti-glare louvre (see Accessories); Replaceable LED module and converter