Part number: 3118548. Serie: WL. LED surface-mount luminaire for indoor, comprising: Technopolymer housing. Light orienting technopolymer optic for a homogenous optimised distribution over the entire area of the diffuser. Direct light distribution. Light colour can be selected between 3000K and 4000K, field adjustable. Power levels can be set via a switch. Colour rendering index Ra 80. Colour tolerance according to MacAdam 3 SDCM. IP54 for horizontal ceiling mounting. IP20 for wall mounting. Through wiring. Built-in driver. Overall efficacy 100 lm/W. Product data | ETIM Group: EG000027. ETIM Class: EC002892. General information | Lampholder: LED. Lightsource lumen output [lm]: 4700/5850. Luminaire lumen output [lm]: 3770/4680. Luminaire wattage [W]: 28/37 W. Luminous efficacy [lm/W]: 135. CRI: 80. Colour temperature [K]: 3000/4000. Colour / Finishing: WH-87 / White / Textured. IP degree of protection: IP20. IK10 20J xx9. Protection class: II. Optic: S/B - Symmetric mainly direct. Beam angle: 2 x 62°/58°. Net weight [kg]: 2.4. Overall length [mm]: 1200. Overall width [mm]: 130. Overall height [mm]: 55. Mechanical features | Shape: Rectangular. Housing material: Plastic. Diffuser material: Plastic. Glow wire test [°C]: 650 °C. Electrical features | Voltage type: AC. Input voltage [V AC]: 220/240. Input frequency [Hz]: 220-240V 50/60Hz. Power factor / COS Φ: 0.9. Inrush current [A/μs]: 12 / 232. C10 1.5 mm²: 58. C16 2.5 mm²: 92. B10 1.5 mm²: 58. B16 2.5 mm²: 92. Power levels selectable during installation. Installation | Application area: PROFESSIONAL INDOOR. Mounting type: Wall / Ceiling surface. Min. ambient temperature [°C]: 10. Max. ambient temperature [°C]: 40. Light features | Lamps: 1. ILCOS: DSL. MacAdam: 3. Lumen maintenance: L80B10@50000h. Distribution of light emission: Direct/Indirect. DFF - Downward Flux Fraction [%]: 93. UFF - Upward Flux Fraction [%]: 7. Colour temperature selectable during installation. Certifications | CE certified. EAC certified. UKCA certified. Mountable on normally inflammable surfaces.