Surface-mounted LED luminaire for single use or trunking applications. Surface-mounted luminaire for ceiling mounting. With separately ordered installation accessories also suitable for use in strip ceilings (SFlow ZBP L2). For strip ceilings in module 100. Also suitable for suspended mounting by means of accessories to be ordered separately (ZS1P 2000). Optical system with PMMA lens technology. Cover made of translucent PMMA for high glare control and efficiency. With symmetric limited wide light distribution. Glare evaluation according to UGR rating (EN 12464-1) < 19. Suitable for VDU workstations according to EN 12464-1 via limited luminance L ≤ 1500 cd/m2 for beam angle above 65° all-round. Luminaire luminous flux and light color fixed. Luminaire luminous flux 4000 lm, connected load 27 W, maximum luminous efficiency of luminaire 148 lm/W. Light colour warm white, correlated colour temperature (CCT) 3000 K, general colour rendering index (CRI) Ra > 80. Colour locus tolerance (initial MacAdam) ≤ 3 SDCM. Mean rated service life L80(tq 25 °C) = 50,000 h. The light source is replaceable according to the ecodesign requirements (VO (EU) 2019/2020). Luminaire body sheet steel. Surface coated white (RAL 9016). Dimensions (L x W): 1413 mm x 84 mm, luminaire height 45 mm. Safety class (EN 61140): I, protection rating (DIN EN 60529): IP20, impact resistance level in accordance with IEC 62262: IK03, testing temperature of wire glow test in accordance with IEC 60695-2-11: 650 °C. Weight: 4,0 kg. The luminaire is suitable for operation on a 230V direct voltage supply grid (DC). With electronic control gear unit, switchable. The control gear unit is replaceable in accordance with the ecodesign requirements (VO (EU) 2019/2020). With electronic transformer, switchable. The luminaire complies with the fundamental requirements of applicable EU regulations and product safety legislation and bears the CE symbol. The luminaire is also ENEC-certified by an independent testing authority. Luminaire available for 10 years, spare parts (LED module, control gear unit, optical system) for 15 years from date of invoice, subject to reasonable modifications in the interests of progress.