Highly efficient LED lay-in ceiling luminaire for high hygienic requirements. Particularly suitable for use in healthcare and industry. Housing made of sheet steel, powder-coated. Frameless appearance in the modular ceiling thanks to the extra slim frame. Luminaire frame: aluminium, powder-coated. Diffuser with smooth surface on the room side for low sensitivity to dirt and easy cleaning. Diffuser made of resistant polycarbonate (PC), microprismatic. LED backlight technology for homogeneous illumination of the entire light-emitting surface. Excellent light quality for clinical detection of cyanosis thanks to correct colour spectrum, CRI >90 and a Cyanosis Observation Index (COI) of <3.3. External driver. Easy to install thanks to extended connection cable (2 m). Suitable for through wiring as standard. MultiLumen: 4 steps adjustable luminous flux. Factory setting is the lowest luminous flux. Protection type IP 65 for luminaire and control gear on room and ceiling side. Perfect for office areas (RUG ≤ 19) and environments with computer screens in accordance with EN 12464-1. Qualified for use in the food and drink industry. Series: PARLEDO Reference Number: 312599.002.790 Colour: white Length: 595 mm Width: 595 mm Cut-out length: 575 mm Cut-out width: 575 mm Recess height: 160 mm Luminaire: recess height: 41 mm Weight: 3.88 kg Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 90 Colour tolerance (McAdam): 3 SDCM Rated life: 60000 h (L80/B50) Lifetime of lamp 2 combined: 50000 h (L80/B10) System power: 32 W Rated luminous flux: 4050 lm Beam angle Down: 91° Glare evaluation RUG (4H 8H): 17.3 Luminous efficiency: 127 lm/W System power 2: 35 W Rated luminous flux 2: 4400 lm Beam angle Down 2: 91° Glare evaluation RUG (4H 8H) 2: 17.6 Luminous efficiency 2: 126 lm/W System power 3: 39 W Rated luminous flux 3: 4750 lm Beam angle Down 3: 91° Glare evaluation RUG (4H 8H) 3: 17.9 Luminous efficiency 3: 122 lm/W System power 4: 41 W Rated luminous flux 4: 5000 lm Beam angle Down 4: 91° Glare evaluation RUG (4H 8H) 4: 18.1 Luminous efficiency 4: 122 lm/W Light outlet: direct Light sharing: symmetrical Control gear: Regulated power supply Voltage: 220 - 240 V / 50 - 60 Hz Power factor: 0.98 Protection class: I Luminaires on B10A fuse: 15 Luminaires on B16A fuse: 25 Luminaires on C10A fuse: 26 Luminaires on C16A fuse: 42 Inrush current / Inrush current duration: 20 A / 200 µs Ripple current / Flicker: 5 % Total harmonic distortion: 10 % Type of protection: IP 65 Ambient temperature: -20 °C to + 40 °C Impact resistance: IK06 Filament test: 650°C - 30 seconds Safety marks: Do not cover the recessed luminaire! Conformity mark: CE, UKCA