BEGA ceiling and wall recessed luminaire 50528K4 for indoor use. LED, 20.5 W luminaire connected load, luminaire luminous flux 1864 lm, color temperature 4000 K. Color rendering index (CRI) > 90. With replaceable BEGA LED module with overtemperature protection and a service life of at least 50,000 operating hours. 20-year supply guarantee on the LED module and wearing parts. Without power supply unit. Protection class III. Luminaire housing made of aluminum. Hand-blown, satin-matt opal glass with thread. Connecting cable with strain relief and plug-in connector system for BEGA power supply unit, on/off or DALI. For installation in false ceilings with a material thickness of 3-20 mm. Luminaire for installation in a recessed opening with dimensions Ø 240 x 65 mm or in the recessed housing 13028. Luminaire diameter 260 mm, height 60 mm.