Rectangular, flat surface-mounted luminaire with an opal diffuser made of PMMA. Version with increased protection class IP54 all around. Developed and manufactured in Germany. Suitable for use in HACCP, IFS and/or BRC Global Standard Food certified companies. With limited surface temperature, suitable for use in fire-hazardous rooms in accordance with DIN EN 60598-2-24. For wall or ceiling mounting. For protection and to support quick assembly, the components in the box are arranged in assembly order. The cover can be quickly mounted on the mounting body without tools using a click lock. The material and structure of the covering diffuser ensure even and shadow-free illumination of the easy-to-clean luminaire surface. 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 3000 lm, rated power 22 W, maximum luminaire luminous efficacy 136 lm/W. Light color neutral white, correlated color temperature (CCT) 4000 K, general color rendering index (CRI) Ra > 80. Color location tolerance (initial MacAdam) = 3 SDCM. Average rated service life L80(tq 25 °C) = 100,000 h. The light source is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). The replacement is done without tools, the replacement light source can be obtained as a spare part. Luminaire body made of sheet steel. Surface coated white (RAL 9016). Luminaire dimensions (L x W x H): 1578 mm x 198 mm x 68 mm. Protection class (EN 61140): I, protection type (DIN EN 60529): IP54, shock resistance according to IEC 62262: IK02, 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. 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.