Round LED surface-mounted luminaire with opal, spherically shaped PC cover, luminaire diameter 402 mm. The easy-to-install decorative ring is available as an optional accessory in the standard colors and can also be made in customer-specific colors on request. Developed and manufactured in Germany. For wall or ceiling mounting. With Lambertian light intensity distribution. With a slight indirect component to brighten the surface. Luminaire luminous flux and light color are fixed. Rated luminous flux 2100 lm, rated power 17 W, maximum luminaire luminous efficacy 124 lm/W. Light color neutral white, correlated color temperature (CCT) 4000 K, general color rendering index (CRI) Ra > 80. Color tolerance (initial MacAdam) = 3 SDCM. Average rated service life L80(tq 25 °C) = 50,000 h, average rated service life L70(tq 25 °C) = 75,000 h. The light source is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). Luminaire body made of sheet steel. Surface coated white (RAL 9016). Diameter of the cover Ø 402 mm, luminaire height 110 mm. Permissible ambient temperature (ta): - +25 °C. Protection class (EN 61140): I, protection type (DIN EN 60529): IP40, shock resistance level according to IEC 62262: IK06, test temperature glow wire test according to IEC 60695-2-11: 650 °C. Weight: 1.4 kg. The connection is made using a plug-in terminal with mains forwarding equipment. With electronic control gear, digitally dimmable (DALI). Control gear in accordance with DALI-2 standard (EN 62386). Luminaire can be switched and dimmed using a touch function via DALI control terminals (Touch DIM). The control gear is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). The luminaire can be equipped with the Monitoring ready (MOR) functionality on request. The product meets the basic requirements of the applicable EU directives and the Product Safety Act and bears the CE marking.