Luminaire housing made of extruded aluminium profile; uncluttered ceiling look through recessed luminaire plane; recessed light with wrap around edge; suitable for ceiling thickness of 8-25 mm; surface white powder coated; lighting profile (end cover and mounting bracket pre-assembled) available in advance for installation; remaining lamp components mounted without tools; luminaire ball proof version to 57710 part 13 / VDE 0710 part 13; LED light inset consisting of highly reflective lacquered aluminium for improved thermal management; light colour 4000 K; binning initial MacAdam ≤ 3 SDCM; CRI ≥ 80; min. 90% of luminous flux after 50000 operating hours; energy efficient LEDs with high CRI; HPO (High Performance Opal) cover for uniform illumination; degree of protection IP20; PC1 220-240V; photobiological safety according to IEC 62471 risk group RG 0 - no Risk; internal wiring in light halogen free; incl. converter, non dimmable; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Recessed, white, RAL9016, 2270 lm/m, IP20, Ball impact resistant DIN 18032-3, 5320 lm LED: 4000 K, CRI ≥ 80, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , MR 0.72, MDER 0.66 Optical: High Performance Opal, PstLM ≤ 1.0 Electrical: non DIM, 55 W, PC1 220-240V, 97 lm/W, 24 W/m Physical: trim, length 2365 mm, width 78 mm, height 113 mm, 6.5 kg Cutout: length 2358 mm, width 70 mm, min. ceiling thickness 8 mm, max. ceiling thickness 25 mm, recessed depth 138 mm 052-52M8617H