GRADEO S 1200 830/835/840 is a modular highly efficient, low glare surface and suspended LED linear luminaire developed for education and seminar room environments. Standalone luminaire. Micro Prismatic diffuser optical solution combined with UGR filem and lenses to provide homogeneous and high efficient light. Minimalist, robust body design, luminaire dimensions: 1280x205x53mm, white powder coated steel body (RAL9016) and plastic end caps. IP40, IK06 rating. 3-steps dip switch driver (200/250/300mA drive current) with integrated CCT switch options (3000/3500/4000K). CRI>80, SDCM 3 (3-step MacAdam ellipse) LED Colour Consistency. 19-27W system power, 2500-3900lm luminous flux, up to 144lm/W system efficacy with 4000K CCT option in case of direct distribution, UGR<19 glare level. 2600-4000lm luminous flux, up to 148lm/W system efficacy with 4000K CCT option in case of direct/indirect light distribution with Gradeo indirect modules, 80/20% D/I ratio. Luminance at 65° < 3000 cd/m2, lifespan: 100,000 hours L80B50, photobiological safety risk group 1. Electrical protection Class I.