LED surface-mounted luminaires for ceiling and wall mounting. In conjunction with installation accessories also suitable for sawn ceiling cutouts. Suspended installation possible using optional accessories. Cover made of opal, translucent PMMA with internal prism structure. With Lambertian light distribution. With HCL equipment for controlling the light color using a separate control unit (DT8). Rated luminous flux 4900 lm, rated power 34 W, maximum luminaire luminous efficacy 156 lm/W. Light color variable (warm white - daylight white), correlated color temperature (CCT) variable (2700 K - 6500 K), general color rendering index (CRI) Ra > 80. Color location tolerance (initial MacAdam) = 3 SDCM. Average rated service life L80(tq 25 °C) = 50,000 h. The light source is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). Luminaire body made of sheet steel. Surface coated in white (RAL 9016). Sheet steel, contour-adapted to the convex bowl shape, with integrated cable duct for mains supply and forwarding. Dimensions (L x W): 1497 mm x 212 mm, luminaire height 70 mm. Plastic head pieces color-coordinated with luminaire body. Permissible ambient temperature (ta): - +. Protection class (EN 61140): I, protection type (DIN EN 60529): IP50, shock resistance level according to IEC 62262: IK03, test temperature glow wire test according to IEC 60695-2-11: 650 °C. Weight: 6.3 kg. With electronic control gear for switching, dimming and controlling the light color using a DALI Device Type 8 capable control unit. Operating device in accordance with the DALI-2 standard (EN 62386). The operating device is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). A Dali control module, which must be ordered separately, is required to control the light colors. The product meets the basic requirements of the applicable EU directives and the Product Safety Act and bears the CE marking. Luminaire 10 years, spare parts (LED module, operating device, optical system) 15 years after the invoice date, subject to reasonable changes that serve progress.