Round, surface-mounted LED luminaire with opal, spherically shaped PC diffuser, luminaire diameter 402 mm. The easy-to-install decorative ring is available as an optional accessory in the standard colours and can also be made in custom colours upon request. Developed and made in Germany. For wall or ceiling mounting. With Lambertian light distribution. With slight indirect component for surface illumination. Luminaire luminous flux and light color fixed. Luminaire luminous flux 2100 lm, connected load 17,5 W, maximum luminous efficiency of luminaire 120 lm/W. Light colour neutral white, correlated colour temperature (CCT) 4000 K, general colour rendering index (CRI) Ra > 80. Colour locus tolerance (initial MacAdam) ≤ 3 SDCM. Mean rated service life L80(tq 25 °C) = 50,000 h, mean rated service life L70(tq 25 °C) = 75,000 h. The light source is replaceable according to the ecodesign requirements (VO (EU) 2019/2020). Luminaire body sheet steel. Surface coated white (RAL 9016). Diameter of diffuser Ø 402 mm, luminaire height 110 mm. Permissible ambient temperature (ta): - +25 °C. Safety class (EN 61140): I, protection rating (DIN EN 60529): IP40, impact resistance level in accordance with IEC 62262: IK06, testing temperature of wire glow test in accordance with IEC 60695-2-11: 650 °C. Weight: 1,5 kg. The connection is made by means of a plug-in terminal with mains forwarding equipment. With two electronic control units, switchable. The control gear unit is replaceable in accordance with the ecodesign requirements (VO (EU) 2019/2020). The luminaire complies with the fundamental requirements of applicable EU regulations and product safety legislation and bears the CE symbol.