BRUMBERG Biro Circle, Ø 45 cm, DALI dimmable, white, 4,000 K; Biro Circle LED ceiling light, diameter 45 cm, DALI dimmable Biro Circle is a round LED ceiling light for surface-mounting on the ceiling, which is equipped with an electronic ballast that is dimmable via DALI and can therefore be connected directly to 230 V. Optimum light distribution and high luminous efficiency are guaranteed by the rotationally symmetrical, narrow-wide beam light distribution and the opal white plastic cover. Biro Circle is ideal for lighting offices, conference rooms, corridors etc. - general colour rendering index CRI > 80 - service life L70/B50 at 25 °C: 50,000 h, service life L80/B50 at 25 °C: 50,000 h - housing material: aluminium / steel / plastic - permissible ambient temperature (ta): -20 °C - +25 °C - with electronic ballast, DALI dimmable color: white material: Aluminium, steel, plastic
