Square recessed luminaires for 625 x 625 mm ceiling systems and Zigbee 3.0 technology. Product features: IoT-enabled luminaire with Zigbee 3.0 technology. Suitable for use with central battery systems according to EN60598-2-22. Frame made of extruded aluminum. Polystyrene diffuser. 5-pin terminal block, cable cross-section up to 5 x 2.5 mm². Service life (L80/B10): 70,000 h (at 25°C). Product benefits: Suitable for DIRECT EASY / VIVARES Zigbee and other Zigbee 3.0 lighting management systems. Tool-free electrical connection thanks to the push-button terminal block. Through-wiring possible with the included junction box. Energy savings thanks to high system luminous efficacy: up to 130 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. Low-flicker light thanks to a special electronic ballast. Suitable for emergency lighting. Areas of application: Direct replacement for recessed luminaires with fluorescent lamps. Office spaces, conference rooms, reception areas, entrance areas, corridors, elevators. Suitable for recessed ceiling systems with a grid size of 625 x 625 mm. Technical features: Accessories available for various installation options. Connection box with 5-pin connection terminal included. Safety terminals pre-assembled. External ballast included. Safety instructions: All electrical connections must be carried out by qualified personnel only. If the outer flexible cable of this luminaire is damaged, it may only be replaced with a special cable or with a cable available exclusively from the manufacturer or its service representative. Caution: Risk of electric shock. The luminaires are not intended for covering with heat-insulating material.