LED surface-mounted luminaires for ceiling and wall mounting. With integrated LiveLink WiFi control unit for daylight-dependent control and presence detection as well as WLAN module for secure commissioning and operation (WPA2 encryption). Predefined room configurations (use cases) with all planning-relevant data enable simple and quick commissioning. Control of up to 64 DALI participants. Commissioning is carried out using the LiveLink Install commissioning app for tablet PCs. With limited surface temperature, suitable for use in fire-hazardous rooms in accordance with DIN EN 60598-2-24. In conjunction with installation accessories also suitable for sawn ceiling cutouts. Suspended installation possible using optional accessories. Cover tray made of translucent PMMA with internal grooved prism structure and high transmission rate of over 80%. With symmetrical, narrow beam light distribution. Glare rating according to UGR classification (EN 12464-1) 80. Color 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 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): 1194 mm x 212 mm, luminaire height 70 mm. Plastic head pieces color-coordinated with luminaire body. Permissible ambient temperature (ta): -20 °C - +. Protection class (EN 61140): I, protection type (DIN EN 60529): IP50, shock resistance according to IEC 62262: IK03, test temperature glow wire test according to IEC 60695-2-11: 650 °C. Weight: 4.6 kg. With electronic control gear, digitally dimmable (DALI). Control gear according to 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. In addition, the luminaire is ENEC-certified by an independent testing body. Luminaire 10 years, spare parts (LED module, control gear, optical system) available 15 years after invoice date subject to reasonable changes in the interests of progress.