Silica®, office luminaire. * lighting technology 1: of aluminium, - UGR viewing direction along longitudinal luminaire axis ≤ 19 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - UGR viewing direction along lateral luminaire axis ≤ 19 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - primary beam angle: wide distribution, - light emission: direct distribution, - primary light characteristic: symmetric. * mounting: - installation arrangement: single arrangement, - installation type: recessed, - installation location: in the ceiling. * electrical 1: LED, - rated luminous flux: 9.910lm, - luminous efficacy: 165lm/W, - light colour: 840, - colour temperature: 4000K, - colour rendering: CRI > 80, - control gear: ECG DALI, - with terminal, 3+2-pole, max. 2.5mm², - mains connection: 230V, AC, 220..240V, 50/60Hz, - rated input power: 60W. * component: - luminaire housing, of aluminium, matt pure white (RAL 9010). - length: 2.864mm, width: 93mm, height: 60mm, - weight: 7,0 kg. - end cap, of diecast zinc, pure white (RAL 9010). * testings/approvals/admissions: - protection rating (complete): IP20, - insulation class (complete): insulation class I (protective earthing), - certification: CE, - permissible operating ambient temperature: 0..+35°C, - standard: EN 50419. * service life: - rated service life: 50.000h (L85/B50) at AT= 25°C. - packaging unit: 1 piece. * manufacture: Siteco, Silica®. * type: 5MX11BD2W4A.