A slim, surface mounted luminaire with direct distribution. DALI dimmable Electronic,. Body: sheet steel, powder coated white (close to RAL9016). Endcaps: sheet steel powder coated white (close to RAL9016). Light guided via backlit multilayer PMMA LRO luminance reducing optic with UGR <19, closed optical system to prevent damage from electrostatic discharge, ideal for schools and offices. Class I electrical, IP20, Impact strength: IK03. Electrical connection via piano key terminal block. Complete with 4000K LED. Can be used as a suspended direct only luminaire when combined with Y-Suspension connector and suspension kit (to be ordered separately 22171581 & 22171349). Dimensions: 1542 x 162 x 50 mm Luminaire luminous flux: 3710 lm Luminaire efficacy: 134 lm/W Weight: 6.5 kg