Bitpop 8.1 recessed downlight for indoor applications recessed (ceiling: rebated or deep set) Power consumption: 35W, 50W Power supply: 230Vac Lumen output at source: 2800 lm (3000K, 35W), 3840 lm (3000K, 50W) Delivered lumen output: 1984 lm (3000K, 30°, 35W), 2680 lm (3000K, 30°, 50W) 8 high-intensity power LEDs, 3-step MacAdam, 50 000h L85 B10 (Ta 25°C) LED colour: 2700K, 3000K, 4000K Optics: 17°: optical system consisting of 8 TIR lenses combined with high-quality technical filters, set back inside a polycarbonate element in glossy white paste to ensure high quality and visual comfort, 17°: optical system consisting of 8 TIR lenses combined with high-quality technical filters, set back inside a polycarbonate element in glossy black paste to ensure high quality and visual comfort, 30°, 42°: optical system consisting of 8 TIR lenses, set back inside a polycarbonate element in glossy black paste to ensure high quality and visual comfort, 30°, 42°: optical system consisting of 8 TIR lenses, set back inside a polycarbonate element in glossy white paste to ensure high quality and visual comfort, 17°x45°: optical system consisting of 8 elliptical TIR lenses combined with high-quality technical filters, set back inside a polycarbonate element in glossy white paste to ensure high quality and visual comfort, 17°x45°: optical system consisting of 8 elliptical TIR lenses combined with high-quality technical filters, set back inside a polycarbonate element in glossy black paste to ensure high quality and visual comfort CRI Colour Rendering Index: 80, >90 Body material: radiator made from aluminium profile to act as a cooling element, then anodized black; with springs in AISI 301 harmonic steel Frame + optical comp. finish: frame for recessing in white-painted steel, optical compartment with white finish (RAL 9003), frame for recessing in black-painted steel, optical compartment with black finish (RAL 9005), frame for recessing in white-painted steel, optical compartment with black finish RAL finish on request Installation: installed by mounting with springs on plasterboard. Outer casings available for installation in solid walls or trimless installation, set 8 mm deep only on plasterboard Thickness of installation surface: min 7.5 mm, max 20 mm power supply unit included includes 0,30 m cable Control system: 0/1-10V, PUSH, ON/OFF, DALI Ingress protection: IP40 UGR < 10 for 17° and 30° optics 2700K, 3000K: CRI >90, 4000K: CRI 80, Casambi-compatible version, controllable with the Casambi app, available on request Operating temperature: 0°C — +45°C Photobiological safety: photobiological safety: risk group 1 according to EN 62471:2006 Appliance class: class II Weight: 1100 g Dimensions: 329x49x71 mm Cutout dimensions: 320x42 mm Volume of thermal heatsink: 660x100x130 mm Energy efficiency class: F (light source) in accordance with EU 2019/2015 Accessories: WC8709 Outer casing for flush installation in solid ceilings, WC8710 Outer casing for deep-set installation in plasterboard ceilings - white, WC8710N Outer casing for deep-set installation in plasterboard ceilings - black tested and approved via E.O.L. (End Of Line) test with functioning test and check of electrical power consumption