Square recessed luminaires with IndiviLED® optics, 625 mm. Product features: Each LED with individual lens and reflector for UGR < 16 and homogeneous light distribution. Service life (L80/B50): up to 50,000 h (at 25 °C). Metal housing, lenses and reflectors made of polycarbonate (PC). Luminous flux: up to 4,000 lm. Luminous efficacy: up to 120 lm/W. Initial color consistency: 3 SDCM (threshold unit). Glow wire test according to IEC 60695-2-12: 850 °C. Luminaire versions with IoT-capable DALI-2 driver or Zigbee 3.0 technology available. Product advantages: Homogeneous light distribution and reduced glare thanks to the IndiviLED® optics. Up to 50% energy savings (compared to luminaires that use fluorescent lamps). Robust housing with IK08. Low-flicker light thanks to special electronic ballast. 5-year guarantee. Areas of application: Direct replacement for luminaires with fluorescent lamps. Corridors. Offices. Conference rooms. Reception areas. Entrance areas. Elevators. Suitable for ceiling recessed systems with a grid size of 625 x 625 mm. Technical equipment: Accessories available for various installation options. Safety cable for luminaires included. External ballast included.