Arktika® 21, office luminaire. * lighting technology 1: - primary anti-glare with honeycomb louvre, of plastic, aluminium vaporised, highly specular, - UGR viewing direction along longitudinal luminaire axis ≤ 19 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - primary beam angle: wide distribution, 95°, - light emission: direct/indirect distribution, - light output distribution: 75:25, - primary light characteristic: symmetric. * mounting: - installation type: suspended mounting, - installation location: to the wire suspension, to the ceiling. * electrical 1: LED, - rated luminous flux: 4.000lm, - luminous efficacy: 130lm/W, - light colour: 840, - colour temperature: 4000K, - colour rendering: CRI > 80, - control gear: ECG, - with terminal, 3-pole, - mains connection: 220..240V, AC, 50/60Hz, - rated input power: 31W. * component: - housing, of aluminium, powder-coated, traffic white (RAL 9016), 1-length. - length: 1.250mm, width: 120mm, height: 8mm, - suspension height: 0.2..1.5m, - weight: 1,8 kg. * testings/approvals/admissions: - protection rating (complete): IP20, - insulation class (complete): insulation class II (safety insulation), - certification: CE. * service life: - rated service life: 50.000h (L80/B50) at AT= 25°C. - packaging unit: 1 piece, - incl. wire suspension. * manufacture: OSRAM, Arktika® 21. * type: 5MB2512L30840.