Highbay 31-L, LED high bay luminaire. * lighting technology 1: - primary light control with lens, of PC, - primary optical cover: cover panel, of PC, transparent, - UGR viewing direction along longitudinal luminaire axis ≤ 25 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - UGR viewing direction along lateral luminaire axis ≤ 25 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - primary beam angle: 90°, - light emission: direct distribution, - primary light characteristic: rotationally 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, - only suitable for indoor use. * electrical 1: LED, - rated luminous flux: 28.000lm, - luminous efficacy: 150lm/W, - light colour: 840, - colour temperature: 4000K, - colour rendering: CRI > 80, - control gear: ECG, - with cable, 3x 1.0mm², free wire ends, - mains connection: 220..240V, AC/DC, 0/50..60Hz, - cable length: 1,5m, - rated input power: 187W, - without flicker, - with ambient light and presence detector, - for emergency light function, - for central battery installations according to DIN EN 60598-2-22. * component: - housing, rotationally symmetric, of diecast aluminium, grey aluminium (RAL 9007), - quantity: 1 piece(s), - with hook on luminaire side, - incl. screw. - diameter: 406mm, - weight: 3,1 kg. * lighting management: - PIR sensor. * testings/approvals/admissions: - protection rating (complete): IP65, - insulation class (complete): insulation class I (protective earthing), - certification: CE, ENEC, UKCA, - protection symbol: D, - impact resistance: IK08, - permissible operating ambient temperature: -30..+45°C, - standard: EN 60598-2-22, EN 60598, - corresponds to IFS (International Featured Standards) requirements for safety and quality in the food industry. * service life: - rated service life: 50.000h (L85/B50) at AT= 25°C. - packaging unit: 1 piece. Highbay 31-L. * type: 51HC427A4MMB01.