Shapely diffuser luminaires for use even with increased requirements. Housing and end caps made of sheet steel, powder coated. End caps with hidden screws, with permanently dimensionally stable silicone foam seal. Rectangular diffuser made of non-yellowing plastic (PMMA), opal. Specially matched 2-component optical system for homogeneous and soft illumination of the entire light-emitting surface. Suitable for ceiling mounting, wall (surface). Driver integrated. Suitable for through-wiring. MultiLumen: 4 steps adjustable luminous flux. Luminaires with limited surface temperature in accordance with DIN EN 60598-2-24 for use in environments in which a deposit of non-conductive dust on the luminaire can be expected. Qualified for use in the food and drink industry. Environmentally friendly and resource-saving due to replaceable components. Series: PLANADO Reference Number: 312623.002.1 Colour: white Length L: 1500 mm Width B: 160 mm Height H: 58 mm Weight: 4.69 kg Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 80 Colour tolerance: 3 SDCM Rated life: 50000 h (L80/B10) System power 1: 57 W Rated luminous flux 1: 7400 lm Beam angle Down 1: 145° / 114° Glare evaluation UGR (4H 8H) 1: 24.8 Luminous efficiency: 130 lm/W System power 2: 51 W Rated luminous flux 2: 6800 lm Beam angle Down 2: 145° / 114° Glare evaluation UGR (4H 8H) 2: 24.5 Luminous efficiency 2: 133 lm/W System power 3: 49 W Rated luminous flux 3: 6550 lm Beam angle Down 3: 145° / 114° Glare evaluation UGR (4H 8H) 3: 24.4 Luminous efficiency 3: 134 lm/W System power 4: 42 W Rated luminous flux 4: 5700 lm Beam angle Down 4: 145° / 114° Glare evaluation UGR (4H 8H) 4: 23.9 Luminous efficiency 4: 136 lm/W Light outlet: mainly direct Light sharing: symmetrical Control gear: Regulated power supply Voltage: 220 - 240 V / 50 Hz, 60 Hz Power factor: 0.98 Protection class: I Luminaires on B10A fuse: 13 Luminaires on B16A fuse: 21 Luminaires on C10A fuse: 21 Luminaires on C16A fuse: 33 Inrush current / Inrush current duration: 13.6 A / 220 µs Total harmonic distortion: 15 % Type of protection: IP 54 Ambient temperature: -25 °C ... + 35 °C Impact resistance: IK05 Filament test: 650 °C Safety marks: D-mark Conformity mark: CE, EAC