alphabet spectra LED 4000 K Recessed Luminaire, Light distribution direct Downlight Product: AS2102131-30-40 Operating technology: independent driver required Lite Optic: 83819Q08-60 Lite Optic Aluminium reflector (Al99.98), high-polished Reflector with safety strap for easy installation Half-peak divergence α = 60° Light Technique CRI 83 (typ.) highest colour consistency with 1x2 SDCM (initial), max. 3 SDCM covered by 5 years warranty constant colour temperature 4000 K lifetime 50.000 h (L80/B10); 50.000 h (L70/B0) covered by 5 years warranty Luminaire housing stable housing design, made of aluminium die-cast and UV resistant plastics minimised ring thickness of only 2 mm for homogeneous appearance in the ceiling cover frame white, RAL 9016 Operating and assembly technology Order LED gear box separately Gear boxes suitable for connection to central battery systems Quick installation due to 4-point screw fixing Suitable for ceiling thicknesses of 12-25 mm (1-12 mm by using optional extension kit, Art.-No. 89081) Reflector with safety suspension Lamp Wattage: 20 W Colour Rendering Index: 83 Colour Temperature: 4000 K Luminaire Luminous Flux: 1680 Llm System Efficiency: 76 Llm/W Half-peak Divergence α: 60° Number Luminaires LZ: 0.07 Connector: Screw Connector, 3 x 1.5 mm2 Reflector Size: Q08 Length: 102 mm Width: 102 mm Cut-out length: 95 mm Cut-out width: 95 mm Installation Depth RD: 100 mm Total Weight: 0.5 kg Degree of Protection IP20 CE-Sign Total system: Protection class 2 Data record AS2102131-30-40+83819Q08-60_20W