BEGA recessed ceiling downlight 24721K4. BEGA Ultradark Optics®: Symmetrically focused scattered light distribution with minimal scattered light. Louvre and glare ring inner surfaces with maximum light-absorbing ultra-black nano coating. LED, 16.6 W luminaire connected load, luminaire luminous flux 1465 lm, half-beam angle 25°, color temperature 4000 K. Color rendering index (CRI) > 80. 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. With LED power supply, DALI controllable, 220-240 V, 0/50-60 Hz in the external housing. Protection class IP 65, protection class II. Luminaire made of cast aluminum, aluminum and stainless steel, coating technology BEGA Unidure®. Flat end ring made of cast aluminum, graphite color. Translucent plastic cover. Internal grid and polymer lens. 2 cable glands with strain relief for through-wiring of the mains connection cable of ø 4-10 mm, max. 5 x 1.5 mm². 0.6 m connection cable between the luminaire and the power supply unit. Dimensions Ø 145 x 140 mm. Luminaire for installation in a recessed opening with dimensions Ø 129 x 140 mm or in the installation housing 13 614.