LED recessed luminaire with microprismatic cover. For system ceilings with visible support rails. Version M84, system dimensions 625 x 625 mm. In combination with an accessory that must be ordered separately, the luminaire is also suitable for use in sawn ceilings (Siella ZBB/4). Luminaire can be covered with insulating material at ta 25°C (EN 60-598). Further information and data on luminaire installation and fastening can be found in the installation instructions. The prismatic PMMA surface of the optical system has a glare-reducing effect. With deep-wide beam light distribution. Glare rating according to UGR classification (EN 12464-1) 80. Average rated service life L80(tq 25 °C) = 35,000 h, average rated service life L70(tq 25 °C) = 50,000 h. Luminaire body made of aluminum. Surface coated white (RAL 9016). Dimensions (L x W): 620 mm x 620 mm, luminaire height 15 mm. Protection class (EN 61140): I, protection type (DIN EN 60529): IP20, shock resistance level according to IEC 62262: IK04, test temperature glow wire test according to IEC 60695-2-11: 650 °C. With external control gear, digitally dimmable (DALI). Control gear according to DALI-2 standard (EN 62386). The product meets the basic requirements of the applicable EU directives and the product safety law and bears the CE marking.