Highbay 11Xtreme, LED high bay luminaire. * lighting technology 1: - primary light control with lens, of PMMA, - primary optical cover: cover, of toughened safety glass, - UGR viewing direction along longitudinal luminaire axis ≤ 22 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - UGR viewing direction along lateral luminaire axis ≤ 22 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - primary beam angle: narrow distribution, - light emission: direct distribution, - primary light characteristic: symmetric. * mounting: - installation arrangement: single arrangement, - installation type: suspended mounting, surface-mounted, - installation location: to the ceiling, to the chain, - mounting accessories required, please order separately. * electrical 1: - 1x LED module, - for 1x LED, - rated luminous flux: 31.500lm, - luminous efficacy: 184lm/W, - light colour: 840, - colour temperature: 4000K, - colour rendering: CRI > 80, - with cable H07RN-F 5x 1.5mm², - mains connection: 220..240V, AC, 50/60Hz, - cable length: 1,5m, - cable end: free wire ends, - rated input power: 171W. * component: - luminaire housing, of diecast aluminium, coated, silver, - quantity: 1 piece(s). - length: 595mm, width: 280mm, height: 195mm, - weight: 10,1 kg. * testings/approvals/admissions: - protection rating (complete): IP66, - insulation class (complete): insulation class I (protective earthing), - certification: CE, ENEC, UKCA, - protection symbol: D, - ball protection: ball impact resistant according to DIN VDE 0710 part 13 (with chain suspension), - impact resistance: IK08, - permissible operating ambient temperature: -25..+60°C, - reducing of maximum allowable ambient temperature of 5°C with ceiling mounting. * service life: - rated service life: 50.000h (L85/B50) at AT= 60°C - rated service life: 100.000h (L85/B50) at AT= 45°C. - packaging unit: 1 piece. * manufacture: Siteco, Highbay 11Xtreme. * type: 51HF61DA4MMA.