Luminaire housing made of extruded aluminium; recessed luminaire with trim; suitable for ceiling thickness of 8-20mm; surface powder coated in dark grey or white; suitable for wall or ceiling mounting; luminaire profile (end caps come pre-assembled) can be pre-mounted; remaining luminaire components mounted without tools; closed light insert made of PMMA, consisting of converter unit and circuit board unit; light inset with screwed-on, thus maintenance-friendly, transparent end cap in PMMA; HPO (High Performance Opal) cover for uniform illumination; energy-efficient LEDs with very good colour rendering; binning initial ≤ 3 MacAdam; available in the light colours 3000K and 4000K; CRI ≥ 80; min. 80 % of the luminous flux after 50000 hours; degree of protection IP 54; PC II; photobiological safety according to IEC 62471 risk group 0; DALI-2 control; IP 67 socket connector system for easy and sealed electrical connection