Ecopack® 31, diffuser luminaire. * lighting technology 1: - primary optical cover: cover, of PC, frosted, - UGR viewing direction along longitudinal luminaire axis ≤ 28 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - UGR viewing direction along lateral luminaire axis ≤ 28 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - primary beam angle: extremely wide distribution, - light emission: direct distribution, - primary light characteristic: symmetric. * mounting: - installation arrangement: single arrangement, - installation type: surface-mounted, - installation location: to the ceiling, to the wall. * electrical 1: LED, - rated luminous flux: 2.600lm, - luminous efficacy: 130lm/W, - light colour: 830/840/850, - colour temperature: 3000/4000/5000K, - colour rendering: CRI > 80, - control gear: ECG, - with terminal, 3-pole, - mains connection: 220..240V, AC, 50/60Hz, - rated input power: 20W, - luminous flux adjustable on luminaire in four steps (1400/1800/2200/2600lm), - connected load according to luminous flux setting (11/14/17/20W). * component: - housing, of aluminium, traffic white (RAL 9016). - length: 600mm, width: 56mm, height: 68mm, - weight: 0,8 kg. - end cap, of PC, white. * testings/approvals/admissions: - protection rating (complete): IP20, - insulation class (complete): insulation class I (protective earthing), - certification: CE, - impact resistance: IK06, - permissible operating ambient temperature: -20..+40°C. * service life: - rated service life: 50.000h (L80/B50) at AT= 25°C. - packaging unit: 1 piece. Ecopack® 31. * type: 51LJ12MDM20A.