Luminaire housing made of extruded aluminium profile; light-tight end caps in aluminium; angular design; surface white powder coated; luminaire, ball proof version to DIN 18032-3 and DIN 57710 part 13 / VDE 0710 part 13; not suitable for indoor tennis centers (or halls with comparable ball sizes); 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; incl. DALI-2 converter; light source replaceable by an authorized professional; control gear replaceable by an authorized professional; General: Ceiling, Surface, white, RAL9010, 2660 lm/m, IP20, Ball impact resistant DIN 18032-3, 1520 lm LED: 4000 K, CRI ≥ 80, L90 / 50000 h, photobio. safety RG 0 - no Risk, initial MacAdam ≤ 3 SDCM , MR 0.72, MDER 0.65 Optical: High Performance Opal, PstLM ≤ 1.0, SVM ≤ 0.4 Electrical: DALI-2, 13.2 W, PC1 220-240V, 115 lm/W, 1 DALI Addr., 23 W/m Physical: length 575 mm, width 60 mm, height 90 mm, 1.75 kg 046-47M2637H