BRUMBERG Biro Circle Ring5 up/down Ø 60cm on/off black 840; Biro Circle Ring 5 LED pendant light, Ø 60 cm with canopy, up/down, switchable Biro Circle Ring is an LED office hanging light specially designed for offices and conference rooms with a ring-shaped lampshade made of aluminium. Opal white plastic covers allow the light from the LEDs installed in the ring to be optimally distributed upwards and downwards. Suspension is by means of fine steel cables that end in the round canopy - Light emission 70 % direct, 30 % indirect - With rotationally symmetrical deep-wide beam light distribution - General colour rendering index CRI > 80 - Lifetime L70/B50 at 25 °C: 276.000 h, service life L80/B20 at 25 °C: 153,000 h - housing material: aluminium / steel / plastic - permissible ambient temperature (ta): -20 °C - +25 °C - with electronic ballast, switchable, not dimmable color: black material: Aluminium, plastic, steel
