Description
Introduction
The theben DU 1 DALI S RF KNX (Item no. 4941681) is a flush-mounted 1-way DALI actuator designed to seamlessly integrate DALI lighting into a KNX system. Functioning as an interface between DALI and the KNX bus system, this device utilizes KNX RF wireless technology and features KNX Data Secure to ensure encrypted, tamper-proof communication across building automation networks. This device is part of our KNX Actuators products range.
Engineered for 230 V AC (50 Hz – 60 Hz) operating voltage with a low standby power consumption of approximately ±0.7 W, the device features Protection Class II and an IP 20 enclosure rating. Its DALI-2 certification ensures standardized performance and broad compatibility for professional installers, consultants, and system integrators.
Key Features
- Flush-mounted 1-way DALI actuator base module.
- Supports KNX RF wireless communication and KNX Data Secure protocol.
- Certified DALI-2 interface between DALI and KNX bus systems.
- Operating voltage rating of 230 V AC at 50 Hz – 60 Hz.
- Low standby consumption of ±0.7 W.
- Class II protection with IP 20 degree of protection.
- Terminal screws connection and dedicated KNX bus terminal connection.
Benefits
- Facilitates seamless integration between DALI lighting devices and the KNX RF wireless bus system.
- Enhances network security through integrated KNX Data Secure encryption.
- Reduces energy overhead with a low standby power consumption of ±0.7 W.
- Guarantees standardized compatibility thanks to official DALI-2 certification.
- Provides a space-saving flush-mounted installation design for concealed mounting.
Technical Specifications
Applications
- Integrating DALI lighting fixtures into a KNX RF system without running additional physical bus cables.
- Flush-mounted lighting control installations in residential and commercial KNX building automation projects.
Installation Notes
- Install the flush-mounted unit inside an appropriate electrical junction box adhering to IP 20 indoor rating requirements.
- Connect the 230 V AC operating voltage using the terminal screws and establish bus communication via the KNX bus terminal.
Developer Resources
- ETS database files (KNX-Database single product or full database ZIPs) available for system programming.
- Official manufacturer documentation including Data Sheet, Handbook, Operating Instructions, and CE Declaration of Conformity available in PDF format.
FAQ
What wireless standard and security level does the theben DU 1 DALI S RF KNX support?
The device operates over KNX RF and supports KNX Data Secure for encrypted, secure communication. Explore more products from theben for professional building automation projects.
What is the power supply requirement and standby consumption for this device?
It operates on 230 V AC (50 Hz – 60 Hz) mains voltage with a standby power consumption of ±0.7 W. For certificates and current technical files, refer to the official product documentation.
Is the unit DALI-2 certified?
Yes, the DU 1 DALI S RF KNX is DALI-2 certified and serves as an interface between DALI and KNX bus systems.
What is the exact product model?
The order/model code for this page is 4941681. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Where can I find the official technical documentation?
Use the manufacturer product page and datasheets for this exact SKU. Always verify the latest revision before specifying the product.
Conclusion
The theben DU 1 DALI S RF KNX (4941681) provides a compact, secure, and energy-efficient solution for bridging DALI lighting into a wireless KNX system. With its flush-mounted design, DALI-2 certification, and KNX Data Secure capability, it serves as a reliable building automation component. Installers and system integrators can review our installer purchasing support options.
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