Square recessed luminaires with IP54 protection, Zigbee 3.0 technology, 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. PMMA diffuser. 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 the push-button terminal block. Through-wiring is possible with the included connection 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. External driver for increased flexibility and easy installation. Easy front cleaning thanks to the smooth PMMA diffuser. 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. Connection box with 5-pin connection terminal 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 carried out by qualified personnel only. Caution: Risk of electric shock. The luminaires are not intended for covering with heat-insulating material.