Silica® 11 Floor duo, floorstanding luminaire. * lighting technology 1: of PMMA, - primary optical cover: cover panel, flat, of PMMA, - 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 emission direction: below, - primary beam angle: 40°, - secondary emission direction: above, - light emission: indirect/direct distribution, - primary light characteristic: symmetric. * mounting: - installation type: not mounted. * electrical 1: LED, - rated luminous flux: 24.930lm, - luminous efficacy: 161lm/W, - light colour: 840, - colour temperature: 4000K, - colour rendering: CRI > 80, - daylight-dependent control, - mains connection: 230V, AC, 50Hz, - connection cable pre-assembled, - cable length: 3m, - cable end: with safety plug, - rated input power: 155W, - with ambient light and presence detector. * component: - luminaire head, rectangular, rounded, of aluminium, coated, traffic white (RAL 9016), - quantity: 2 piece(s). - weight: 21,0 kg. - supporting column, angular, of aluminium, coated, traffic white (RAL 9016), - quantity: 1 piece(s). - baseplate, of steel, coated, traffic white (RAL 9016). - length: 2.598mm, width: 65mm. * 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® 11 Floor duo. * type: 5MX51BS8WZK00006XX.