Flexible round recessed multifunction downlight. Housing made of sheet steel, powder-coated. Luminaire frame: aluminium, powder-coated. Light guide and diffuser made of non-yellowing PMMA, opal matt. LED backlight technology for homogeneous illumination of the entire light-emitting surface. Tunable white dynamically adjustable from 2700 K to 6500 K. Suitable for Recessed ceiling mounting. Ceiling installation with spring system. Can be directly covered with thermal insulation material (applies only to the lower lumen levels). Including separate LED converter with connecting cable 250 mm. Surface mounted housing as accessory for all sizes. Series: TOLEDO FLAT+ round Reference Number: 901810.002.2.76 Colour: white Diameter: 390 mm Height: 2 mm Cut-out diameter: 377 mm Ceiling thickness S: 1-20 mm Recess height: 60 mm Luminaire: recess height: 40 mm Weight: 1.28 kg Lamp: LED Socket: without socket Colour temperature: 2700K - 6500K Colour rendering index (CRI): 80 Colour tolerance (McAdam): 3 SDCM Rated life: 50000 h (L80/B10) System power: 17 W Rated luminous flux: 1950 lm Beam angle Down: 113° Glare evaluation RUG (4H 8H): 23.3 Luminous efficiency: 115 lm/W System power 2: 17 W Rated luminous flux 2: 2000 lm Beam angle Down 2: 113° Glare evaluation RUG (4H 8H) 2: 23.4 Luminous efficiency 2: 118 lm/W System power 3: 17 W Rated luminous flux 3: 2050 lm Beam angle Down 3: 113° Glare evaluation RUG (4H 8H) 3: 23.5 Luminous efficiency 3: 121 lm/W Light outlet: direct Light sharing: symmetrical Control gear: Converter, dimmable, DALI Voltage: 220 - 240 V / 50 Hz, 60 Hz Power factor: 0.97 Protection class: II Luminaires on B10A fuse: 18 Luminaires on B16A fuse: 30 Luminaires on C10A fuse: 31 Luminaires on C16A fuse: 51 Inrush current / Inrush current duration: 29 A / 153 µs Ripple current / Flicker: 1 % Type of protection: IP 54 Ambient temperature: -20 °C to + 35 °C Impact resistance: IK03 Filament test: 650 °C Safety marks: Do not cover the recessed luminaire! Conformity mark: CE, EAC