Square insert luminaire, tool-free installation, for 625 x 625 mm ceiling systems and DALI-2 IoT technology. Product features: IoT-capable luminaire with DALI-2 technology. Frame made of extruded aluminum. Polystyrene diffuser. 3-pin connection terminal, cable cross-section up to 3 x 2.5 mm² (25 W and 30 W versions). 5-pin connection terminal, cable cross-section up to 5 x 2.5 mm² (36 W versions and DALI types). Service life (L80/B10): up to 60,000 h (at 25 °C). Product advantages: Suitable luminaire for VIVARES and other DALI-2 light management systems. Tool-free electrical connection thanks to push-button connection terminal. Through-wiring possible with included connection box. Energy savings thanks to high system light output: up to 120 lm/W. Comfortable light and high color consistency. External driver for increased flexibility and easy installation. Low-flicker light thanks to special electronic ballast. 5-year guarantee. Areas of application: Direct replacement for luminaires with fluorescent lamps. Offices, conference rooms. Reception areas, entrance areas, corridors, elevators. Suitable for ceiling recessed systems with a grid size of 625 x 625 mm. Technical equipment: Accessories available for various installation options. Connection box with 3-pin or 5-pin connection terminal included. Safety terminals included. External ballast included. Not suitable for operation with Emergency Conversion Box.