Lunis 21 M, downlight. * lighting technology 1: - anti glare with reflector, - UGR of luminaire ≤ 22 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - beam angle: medium distribution, - light emission: direct distribution. * mounting: - installation arrangement: single arrangement, - installation type: recessed, - installation location: in the ceiling. * electrical 1: LED - rated luminous flux: 1.850lm, - light colour: 940. - colour temperature: 4000K, - colour rendering: CRI > 90. - with terminal, 3-pole, - mains connection: 220..240V, AC/DC, 0/50..60Hz. - rated input power: 11.6W, - luminous flux adjustable on luminaire in 8 steps (940/.../2720lm), - connected load according to luminous flux setting (5.9/.../17.5W), - with through-wiring, - luminous flux at DC operation 100%. * component: - housing, round, of diecast aluminium, powder-coated, traffic white (RAL 9016). - diameter: 116mm. - ceiling cut-out D: 100mm. - 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, - permissible ambient temperature for indoor applications: -20..+30°C. * service life: - rated service life: 100.000h (L80/B10) at AT= 25°C - rated service life: 50.000h (L90/B10) at AT= 25°C. - packaging unit: 1 piece. Lunis 21. * type: 51DB12MC13D1D.