Square recessed luminaires with IP54 protection, Zigbee 3.0 technology, and high glare control, 625 x 625 mm. Product features: IoT-enabled luminaire with Zigbee 3.0 technology. Protection rating: IP54 (front), IP20 (rear). Sheet steel housing with a rear recess for the driver to allow a total height of 34 mm. Polycarbonate diffuser (PC). 5-pin terminal block, cable cross-section up to 5 x 2.5 mm². Service life (L90/B10): 50,000 h (at 25°C). Panel can be equipped with optical sensors upon request. Product advantages: Suitable luminaire for DIRECT EASY / VIVARES Zigbee and other Zigbee 3.0 lighting management systems. Suitable for applications requiring a higher protection rating. High luminous flux of up to 5040 lm. Tool-free electrical connection thanks to push-button terminal blocks. Through-wiring possible with the included junction box. Energy savings thanks to high system luminous efficacy: up to 140 lm/W. High color consistency with SDCM 3. Advanced services such as power consumption monitoring and remote maintenance are available with Zigbee versions. Good glare control (UGR < 19). Extended diffuser heat resistance up to 850°C. Areas of application: Direct replacement for luminaires with fluorescent lamps. Suitable for recessed ceiling systems with a grid size of 625 x 625 mm. Hospitals, laboratories, kitchens, canteens, work areas. Technical features: Accessories available for various installation options. Junction box with 5-pin terminal block included. Safety terminals pre-assembled. External ballast included. Special surface-mounted frame with a total height of only 50 mm available separately. Safety instructions: All electrical connections must be made only by qualified personnel. Caution: Risk of electric shock. The luminaires are not intended for covering with heat-insulating material.