Series: SIDELITE Rectangular built-in surface luminaire with microprismatic diffuser. Housing made of sheet steel, white powder-coated . Frame made of aluminium white powder-coated. Lightguide and diffuser made of non-yellowing plastic (PMMA). Lateral light emission (RZB SIDELITE technology) for homogeneous light distribution. Lay-in luminaire for ceiling systems with visible mounting rails. Luminaire can be used with accessories (to be ordered separately) for recessed, surface mounting or as pendant luminaire. Converter switchable. MultiLumen: Luminous flux adjustable in 4 steps. Factory preset to lowest luminous flux. External driver. Suitable for through-wiring. Simple converter installation with plug-in locking system. Operating device replaceable in accordance with ecodesign requirements. Perfect for office areas (RUG < 19) and environments with computer screens in accordance with EN 12464-1. Suitable for use in HACCP or IFS-certified companies in the food and drink industry. Colour: white Length: 1195 mm Width: 295 mm Recess height: 160 mm Luminaire: recess height: 38 mm Lamp: LED Socket: without socket Colour temperature: 4000K Colour rendering index (CRI): 90 System power: 25 W Rated luminous flux: 3700 lm Beam angle Down: 83° / 83° Luminous efficiency: 148 lm/W System power 2: 28 W Rated luminous flux 2: 4150 lm Luminous efficiency 2: 148 lm/W System power 3: 32 W Rated luminous flux 3: 4550 lm Luminous efficiency 3: 142 lm/W System power 4: 35 W Rated luminous flux 4: 5000 lm Luminous efficiency 4: 143 lm/W Control gear: Regulated power supply Protection class: II Type of protection: IP 40