LED surface-mounted light for direct illumination with UGR19. Gentle, soft, and glare-free lighting for offices and educational institutions with an opal PS diffuser for completely homogeneous lighting. Light output: 43 W, lifespan: 50,000 h, L80, initial MacAdam color tolerance: 4, total luminous flux: 5450 lm, luminous efficacy: 127 lm/W, color rendering Ra 80, color temperature 4000 K. Tool-free installation with terminal block for up to 2.5 mm² wires. Flicker-free. Suitable for surface and pendant mounting. Sensor, emergency light accessories, rail connectors, and suspension kits available as accessories. Input power is locally adjustable in steps: FLEX1 5450 lm 43 W, FLEX2 5177 lm 41 W, FLEX3 4905 lm 39 W, FLEX4 4633 lm 37 W. Flex data for other color temperatures is available. Dimensions: 1500 x 306 x 47 mm, weight: 4.3 kg.