Lunis 21, S, downlight. * lighting technology 1: - light control with lens, of PMMA, - anti glare with reflector, of PC. black, - UGR of luminaire ≤ 19 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - beam angle: wide distribution. - light emission: direct distribution. * mounting: - installation arrangement: single arrangement, - installation type: recessed, - installation location: in the ceiling. * electrical 1: LED - rated luminous flux: 810lm, - light colour: 830/840/865. - colour temperature: 3000/4000/6500K, - colour rendering: CRI > 80. - with terminal, 5-pole, - mains connection: 220..240V, AC, 50..60Hz. - rated input power: 6W, - UGR ≤ 19 with luminous fluxes up to factory setting, - luminous flux designation at factory setting and 4000K, - luminous flux adjustable on luminaire in three steps at 4000K (580/810/1070lm), - connected load according to luminous flux setting (4.4/6.0/8.0W). * component: - housing, round, of diecast aluminium, traffic white (RAL 9016). - diameter: 84mm. - ceiling cut-out D: 68mm. - clamping range: 1..40mm. - weight: 0,4 kg. * testings/approvals/admissions: - protection rating (complete): IP20, - protection rating (on room side): IP54, - insulation class (complete): insulation class II (safety insulation), - certification: CE, - impact resistance: IK03. * service life: - rated service life: 50.000h (L80/B20) at AT= 25°C. - packaging unit: 1 piece. * manufacture: Siteco, Lunis 21. * type: 51DB17EA91C.