Rectangular LED ceiling insert light with light elements made of lens systems and cubic shielding elements and high efficiency. Version M57 (312.5 mm x 1250 mm). The light is specifically designed for use in system ceilings with visible support rails. Further information and data on luminaire installation and fastening can be found in the installation instructions. The optical system with a precisely coordinated combination of LED lenses and shielding elements ensures very high visual comfort with very high lighting performance. Wallwasher with asymmetrical light intensity distribution. The optical system is specially designed for uniform panel lighting. Luminaire luminous flux and light color are fixed. With 36 light elements, rectangular (2 x 18). Rated luminous flux 4200 lm, rated power 38 W, maximum luminaire luminous efficacy 111 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, average rated service life L90(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). Anti-dazzle cubes silver gray, with fine surface structure (RAL 7001). The anti-dazzle cubes can be made in other RAL colors on request. The color of the anti-dazzle cubes has no relevant influence on the lighting characteristics of the luminaire. Protection class (EN 61140): II, protection type (DIN EN 60529): IP20, shock resistance according to IEC 62262: IK03, test temperature glow wire test according to IEC 60695-2-11: 650 °C. Weight: 5.5 kg. Reverse polarity protected quick connection with mains forwarding up to Ø 2.5 mm2. Connection of the ballast to the luminaire using a plug connection (plug and play). The packaging concept of the luminaire enables the control gear to be removed separately for pre-assembly, the other components of the luminaire remain protected until final assembly. With external control gear, digitally dimmable (DALI). Control gear according to DALI-2 standard (EN 62386). Luminaire can be switched and dimmed using a push button function via DALI control terminals (Touch DIM). The control gear is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). The control gear is idle-proof and protected against incorrect connection, short circuit, overload and overheating. Output ripple of the control gear = 4% for effective control of the LED system and flicker-free light. 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 mark. In addition, the luminaire is ENEC-certified by an independent testing body.The luminaire is part of a range of recessed, surface-mounted and suspended luminaires that are coordinated in appearance. Project-specific versions with varying luminaire features are available on request. Luminaire 10 years, spare parts (LED module, control gear, optical system) 15 years after the invoice date, subject to reasonable changes that serve progress.