TL 33S midi, tunnel luminaire. * lighting technology 1: - primary optical cover: cover panel, flat, of toughened safety glass, non-reflecting, transparent, - light emission: direct distribution, - primary light characteristic: symmetric, - glass thickness 4mm. * mounting: - installation type: surface-mounted, - installation location: to supporting structure, to the ceiling. * electrical 1: - connection on control gear side, LED, High Power LED, - rated luminous flux: 46.050lm, - luminous efficacy: 161lm/W, - light colour: 740, - colour temperature: 4000K, - colour rendering: CRI > 70, - control gear: DALI, - with system connector, - mains connection: 220..240V, AC, 50/60Hz, - surge voltage resistance: 10kV 1.2/50µs, - connection cable plug integrated into luminaire housing at face end, - rated input power: 287W. * electrical 2: - connection on mains side, 7-pole, max. 10mm² (5G+2), - with terminal, - suitable for 3-phase through-wiring on mains side. * component: - luminaire housing, of stainless steel 1.4404 (AISI316), etched and passivated. - length: 960mm, width: 295mm, height: 68mm, - weight: 17,6 kg. * component: - heat sink, of Al Mg 2, - e-box, of stainless steel 1.4404 (AISI316), etched and passivated. - length: 510mm, width: 213mm, height: 115mm. * testings/approvals/admissions: - protection rating (complete): IP66, - insulation class (complete): insulation class I (protective earthing), - certification: CE, - impact resistance: IK09, - permissible operating ambient temperature: -25..+55°C. * service life: - rated service life: 100.000h (L95/B10) at AT= 25°C. - packaging unit: 1 piece. * manufacture: Siteco, TL 33S midi. * type: 5WD36CDE2SN3.