Mira® 21, clean room luminaire. * lighting technology 1: - primary light control with reflector, - primary optical cover: cover, of PC, - 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, - inspection from below, - for flush recessing into metal cassettes, - only suitable for indoor use. * electrical 1: LED, - rated luminous flux: 3.220lm, - luminous efficacy: 140lm/W, - light colour: 840, - colour temperature: 4000K, - colour rendering: CRI > 80, - control gear: ECG, - with terminal, 3-pole, max. 2.5mm², - mains connection: 230V, AC, 230..240V, 50/60Hz, - rated input power: 23W. * component: - luminaire housing, of sheet steel, coated, pure white (RAL 9010), - with concealed spring brackets. - module: M625, - length: 623mm, width: 623mm, height: 115mm, - weight: 11,0 kg. * testings/approvals/admissions: - protection rating (complete): IP54, - insulation class (complete): insulation class I (protective earthing), - certification: CE, UKCA, - permissible operating ambient temperature: -5..+40°C, - standard: EN 50419. * service life: - rated service life: 75.000h (L80/B10) at AT= 25°C. - packaging unit: 1 piece. * manufacture: Siteco, Mira® 21. * type: 51FR427A432A.