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. With symmetrically limited wide beam light distribution. Glare rating according to UGR classification (EN 12464-1) 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 a 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 level 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 allows 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, switchable. The control gear is replaceable in accordance with the ecodesign requirements (Regulation (EU) 2019/2020). Control gear is idle-proof and protected against incorrect connection, short circuit, overload and overtemperature. Output ripple of the control gear = 4% for effective control of the LED system and flicker-free light. 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) available 15 years after invoice date subject to reasonable changes in the interests of progress.