Quadratical insertion light, tool-free installation and heavy threatening, for 600 x 600 mm ceiling systems. Product properties: frame made of aluminum. Polystyrene diffuser. 3-pin connection clamp, cable cross-section up to 3 x 2.5 mmâ² (25 W and 30 W versions). 5-pin connection clamp, cable cross-section up to 5 x 2.5 mmâ² (36 W versions and dali types). Light versions with IoT-capable DALI-2 drivers or Zigbee 3.0 Technology available. Versions with CRI 90 available. Lifespan (L80/B10): up to 60,000 h (at 25 ° C). Product advantages: Toolless electrical connection thanks to push button connection clamp. Wiring with contained connection box possible. Energy saving thanks to the high system light output: up to 120 lm/w. Good glow (UGR <19). Extended services such as electricity consumption monitoring and remote maintenance possible with DALI versions. Comfortable light and high color consistency. External driver for extended flexibility and easy installation. Flicker light thanks to special electronic ballast. Safety light possible with Ledvance Emergency Conversion Box. 5 years of guarantee. Areas of application: Direct replacement for lights with fluorescent lamps. Office rooms, conference rooms. Reception areas, entrance areas, corridors, elevators. Suitable for ceiling installation systems with a grid size of 600 x 600 mm. Technical equipment: Accessories available for various installation options. Connection box with 3-pin or 5-pin connection clamp. Included security rope for lights. Safety terminals contain. External ballast contained