Sirius® luminaire head; . * lighting technology: - light control with lens of glass; - cover of toughened safety glass, transparent; - light distribution: AREA-PL52, - asymmetric direct distribution. * light source: LED (High Power LED), - colour temperature: 5700K, - rated luminous flux: 223.454lm, - colour rendering: CRI > 95, - Television Lighting Consistency Index: TLCI >= 96, - light colour: 957; - luminous efficacy: 113lm/W; . * electrical connection: - luminaire head with cable with plug, cable length: 1,2m; - dimming range 5..100% per LED segment, - LED unit replaceable without ESD environment, - dustproof LED module; . * connected load: 1971W . * housing: - luminaire head LED unit of diecast aluminium, powder-coated Siteco® metallic grey (DB 702S); - solid metal housing for good heat sinkage, - extremely high vibration resistance: more than 720,000 strokes tested - length: 792mm / width: 696mm / height: 126mm; - weight: 30,5 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 mounting bracket. * testings/approvals/admissions: - protection rating (complete): IP66; - insulation class (complete): insulation class I (protective earthing); - certification: CE, ENEC; - impact resistance: IK10; . * ambient temperature: 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. - packaging unit: 1 piece (contains 2 LED modules, - with air handling, pre-assembled) . * manufacture: Siteco Sirius® . * type: 5XA7100W50A13DA.