Series: KaleaInsert light for ceiling systems with visible mounting rails. casingPowder coated sheet steel. Luminaire frame aluminumPowder-coated. Diffuser made of yellowing-free plastic (PMMA)Microprismatic. LED backlight technology for a homogeneousIllumination of the entire light-emitting area. Operating device externally.Multilumen: Adjustability of the luminaire light stream in4 steps. Excellent for office areas (UGR <19) andScreen workstations (BAP) acc. DIN EN 12464-1.Color whiteLength: 620 mmWidth: 620 mmInstallation height: 160 mmInstallation height light: 33 mmBulb: LEDColor rendering index Ra: 80Rated power 1: 28 WRated lighting stream 1: 3700 LMDischarge evaluation index UGR (4h 8h) 1: 17.9The most similar color temperature 1: 4000 KLighting yield 1: 133 LM / WRated power 2: 24 WRated light stream 2: 3300 LMShelving Valuation Index UGR (4H 8H) 2: 17.5The most similar color temperature 2: 4000 kLightout yield 2: 138 LM / WRated power 3: 32 WRated light stream 3: 4200 LMDischarge evaluation index UGR (4H 8H) 3: 18.4The most similar color temperature 3: 4000 kLuminaire yield 3: 132 LM / WRated power 4: 36 WRated luminaire light stream 4: 4600 lmShallungs Assessment Index UGR (4H 8H) 4: 18.7The most similar color temperature 4: 4000 KLuminaire yield 4: 128 LM / WOperating device: Constant current supplyProtection class: IIDegree of protection: IP 20, IP 40