The KN-4R8Z-UN Embedded Multi-Function Interface is a versatile KNX module designed for seamless integration of lighting, curtain control, scene execution, and relay-based automation in smart homes and commercial buildings. Equipped with 4 relay outputs, multi-display LED indicators, and full support for KNX automation, it delivers powerful, flexible, and stable performance for professional automation systems.

The KN-4R8Z-UN Embedded Multi-Function Interface is a high-efficiency KNX automation device engineered for modern smart home and commercial building installations. This advanced interface supports multiple functional scenarios, including lighting control, curtain control, relay switching, and multi-scene execution, providing unmatched versatility for integrators and automation designers.

With four independent relay outputs, the module can control lights, motorized curtains, blinds, shutters, ventilation fans, or other electrical loads with ease. Its built-in LED indication and multi-state display features give users real-time feedback on device status, relay states, and scene execution, enhancing usability and maintenance efficiency.

Operating on the KNX bus voltage of 21–30V DC with a maximum bus load of 12mA, and supporting up to 360mA working power, the KN-4R8Z-UN ensures robust stability, long-term durability, and smooth integration into KNX-based building management systems.

The compact white design makes it suitable for embedded installations, junction boxes, control panels, hotel rooms, smart villas, office buildings, commercial spaces, and automation-heavy environments. Supporting customizable logic and scene execution, this interface is ideal for smart lighting setups, curtain automation, mood lighting, energy management, and centralized control systems.

Built for professional KNX integrators, the KN-4R8Z-UN delivers reliable performance with high compatibility, stable relay switching, smart scene control, and multi-function automation options, making it one of the most flexible components for KNX building automation.

Key Features

• Supports lighting control
• Supports motorized curtain / blind control
• 4 independent relay outputs
• Supports scene control
• LED indication with multi-state display
• Stable KNX communication
• Ideal for lighting, curtain, and multi-load automation
• Professional-grade reliability
• Elegant white finish
• Suitable for residential, hotel, office & commercial KNX installations

Technical Specifications – KN-4R8Z-UN