Square recessed panel luminaires, tool-free installation and low glare, for 600 x 600 mm ceiling systems with DALI-2 IoT technology. Product features: IoT-ready luminaire with DALI-2 technology. Extruded aluminum frame. Polystyrene diffuser. 3-pole terminal block, cable cross section up to 3 x 2.5 mm² (25 W and 30 W versions). 5-pole terminal block, cable cross section up to 5 x 2.5 mm² (36 W versions and DALI types). Versions available with CRI 90. Lifetime (L80/B10): up to 60,000 h (at 25 °C). Product benefits: Suitable luminaire for VIVARES and other DALI-2 Light Management Systems. Tool-free electrical connection due to push button connector. Through-wiring possible with included connector box. Energy savings thanks to high system efficacy: up to 120 lm/W. Good glare reduction (UGR < 19). Comfortable light and high color consistency. External driver for extended flexibility and easy installation. Low flicker light thanks to special electronic control gear. 5 years guarantee. Areas of application: Direct replacement for luminaires with fluorescent lamps. Offices, conference rooms. Reception areas, foyers, corridors, elevators. Suitable for recessed ceiling systems with grid size of 600 x 600 mm. Equipment / Accessories: Accessories for several mounting options available. Connector box with 3-pole or 5-pole terminal included. Security rope for luminaire included. Security brackets included. External control gear included. Not suitable for use with Emergency Conversion Box.