Sirius® luminaire head; . * lighting technology: - light control with light control via reflectors with silver coating of plastic, silver coated; - anti glare with shield; - cover of toughened safety glass, transparent; - UGR viewing direction along longitudinal luminaire axis ≤ 13 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - UGR viewing direction along lateral luminaire axis ≤ 13 (X = 4H | Y = 8H | S = 0.25H | reflection values 70/50/20), - light distribution: CUT-RS08, - rotationally symmetric direct distribution, - Full Cut Off technology with integrated supplementary shields for stray light reduction. * light source: LED (High Power LED), - colour temperature: 5000K, - rated luminous flux: 229.688lm, - colour rendering: CRI > 90, - Television Lighting Consistency Index: TLCI >= 87, - light colour: 950; - luminous efficacy: 116lm/W; . * electrical connection: - luminaire head with 2x connection cable with system connection, cable length: 1,2m; - dimming range 5..100% per LED segment, - LED unit replaceable without ESD environment, - dustproof LED module; . * connected load: 1974W . * housing: - luminaire head with 2x LED unit of diecast aluminium, powder-coated Siteco® metallic grey (DB 702S); - solid metal housing for good heat sinkage, - dustproof LED module, - with air handling, - extremely high vibration resistance: more than 720,000 strokes tested - length: 792mm / width: 696mm / height: 126mm; - weight: 30,0 kg . * lighting management: - 4 separate LED segments per floodlight, each switchable and dimmable separately, - min. dimming level per floodlight: approx. 1%. * mounting: - screw fastening to supporting structure. * testings/approvals/admissions: - protection rating (complete): IP66; - insulation class (complete): insulation class I (protective earthing); - certification: CE, ENEC; - impact resistance: IK10; . * ambient temperature: - permissible operating ambient temperature: in outdoor areas: -30..+55°C, in indoor areas: -30..+45°C; - permissible storage temperature: -20..+50°C; . * service life: - rated service life: 10.000h (L97/B50) at AT= 25°C 50.000h (L90/B50) at AT= 25°C - service life: up to 100,000 operating hours (according to ambient temperature). - packaging unit: 1 piece (contains 2 LED modules, pre-assembled) . * manufacture: Siteco Sirius® . * type: 5XA7100W40A51DA.