Ultra thin recessed downlight. Housing: die-cast aluminium. Light guide and diffuser made of non-yellowing PMMA, opal matt. Tunable white dynamically adjustable from 2700 K to 6500 K. With Casambi smart+free Bluetooth® control for wireless network and operation using Android / iOS devices, free app available for download. Ceiling installation with spring system. Mounting depth depends on ceiling strength. Surface mounted housing as accessory for all sizes. Retrofittable decorative cylinders made of chintz fabric as accessory, optional with satin finish plastic diffuser. Through-wiring box (5 pole) available as accessory. Series: TOLEDO FLAT square Reference Number: 901670.002.730 Colour: white Length: 225 mm Width: 225 mm Height: 3 mm Cut-out length: 208 mm Cut-out width: 208 mm Ceiling thickness S: 1-20 mm Recess height: 55-75 mm Luminaire: recess height: 31-51 mm Weight: 1.29 kg Lamp: LED Socket: without socket Colour temperature: 2700K - 6500K Colour rendering index (CRI): 80 Colour tolerance (McAdam): 4 SDCM Rated life: 50000 h (L80/B50) System power: 19 W Rated luminous flux: 1600 lm Beam angle Down: 110° Glare evaluation RUG (4H 8H): 26.2 Luminous efficiency: 84 lm/W System power 2: 20 W Rated luminous flux 2: 1500 lm Beam angle Down 2: 110° Glare evaluation RUG (4H 8H) 2: 26 Luminous efficiency 2: 75 lm/W System power 3: 18 W Rated luminous flux 3: 1550 lm Beam angle Down 3: 110° Glare evaluation RUG (4H 8H) 3: 26 Luminous efficiency 3: 86 lm/W Light outlet: direct Light sharing: symmetrical Control gear: Dimmable Bluetooth converter Voltage: 220 - 240 V / 50 Hz Power factor: 0.96 Protection class: II Luminaires on B10A fuse: 10 Luminaires on B16A fuse: 16 Luminaires on C10A fuse: 16 Luminaires on C16A fuse: 26 Inrush current / Inrush current duration: 26.4 A / 224 µs Ripple current / Flicker: 2 % Total harmonic distortion: 10 % Type of protection: IP 54 Ambient temperature: -20 °C to + 35 °C Impact resistance: IK06 Filament test: 650°C - 30 seconds Safety marks: Do not cover the recessed luminaire! Conformity mark: CE, EAC