Highly economical surface mounted luminaire with progressive LED technology. Luminaire frame: aluminium, powder-coated. Mounting frame: sheet steel, powder-coated. Diffuser plastic microprismatic. Lightguide and diffuser made of non-yellowing plastic (PMMA). Lateral light emission (RZB SIDELITE® technology) for homogeneous light distribution. Driver integrated. MultiLumen: 4 steps adjustable luminous flux. Factory setting is the lowest offered step. 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: SIDELITE ECO Reference Number: 312789.002 Colour: white Length: 602 mm Width: 602 mm Height: 47 mm Weight: 5.47 kg Lamp: LED Socket: without socket Colour temperature: 3000K Colour rendering index (CRI): 80 Colour tolerance (McAdam): 3 SDCM Rated life: 50000 h (L80/B10) Lifetime of lamp 2 combined: 60000 h (L80/B50) System power: 26 W Rated luminous flux: 3550 lm Beam angle Down: 90° / 87° Glare evaluation RUG (4H 8H): 18.2 Luminous efficiency: 137 lm/W System power 2: 30 W Rated luminous flux 2: 4050 lm Beam angle Down 2: 90° / 87° Glare evaluation RUG (4H 8H) 2: 18.6 Luminous efficiency 2: 135 lm/W System power 3: 33 W Rated luminous flux 3: 4400 lm Beam angle Down 3: 90° / 87° Glare evaluation RUG (4H 8H) 3: 18.9 Luminous efficiency 3: 133 lm/W System power 4: 37 W Rated luminous flux 4: 4800 lm Beam angle Down 4: 90° / 87° Glare evaluation RUG (4H 8H) 4: 19.2 Luminous efficiency 4: 130 lm/W Light outlet: direct Light sharing: symmetrical Control gear: Regulated power supply Voltage: 220 - 240 V / 50 Hz, 60 Hz Power factor: 0.98 Protection class: II Luminaires on B10A fuse: 26 Luminaires on B16A fuse: 42 Luminaires on C10A fuse: 44 Luminaires on C16A fuse: 70 Inrush current / Inrush current duration: 24 A / 150 µs Ripple current / Flicker: 3 % Total harmonic distortion: 10 % Type of protection: IP 40 Ambient temperature: -10 °C to + 30 °C Impact resistance: IK03 Filament test: 650 °C Conformity mark: CE