Description
Introduction
The theben OSIRIA 230 AR KNX (Item no. 5009210) is a high-precision, single-sided round indoor clock designed for integration into KNX building automation networks. Featuring a clean white metallic dial with bold black Arabic numerals, black bar hour and minute hands, and a distinct red second hand, this clock delivers clear time display for commercial and public environments. This device is part of our KNX automation components range.

Powered directly via the KNX bus line with a low current consumption of ≤12 mA, the OSIRIA 230 AR KNX includes an integrated 10-day power reserve to preserve timekeeping during network interruptions. Encased in a durable plastic housing with a dial diameter of Ø 300 mm, it operates within an ambient temperature range of -5°C to 45°C.
Key Features
- Single-sided round indoor design with Ø 300 mm dial dimensions
- White metallic dial with high-contrast black Arabic numerals
- Black bar hour and minute hands paired with a red second hand
- KNX bus voltage operation with ≤12 mA bus current consumption
- 10-day power reserve for continuous background timekeeping
- Robust plastic housing suitable for commercial building environments
- Wide operating ambient temperature range from -5°C to 45°C
- Standard KNX bus terminal connection type
Benefits
- Direct KNX bus integration provides clock synchronization via a standard KNX bus connection.
- Integrated 10-day power reserve maintains internal time accuracy during power outages.
- High-contrast design with a white metallic dial, black Arabic numerals, and red second hand ensures clear readability.
- Low current consumption of ≤12 mA minimizes total power draw on the KNX bus line.
- Durable round plastic housing with a 300 mm dial diameter is engineered for commercial indoor wall installation.
Technical Specifications
Applications
- Commercial office buildings and conference centers integrated with KNX automation systems.
- Educational facilities, schools, and university classrooms requiring reliable timing visual aids.
- Healthcare environments and public administrative centers operating KNX network control.
Installation Notes
- Connect to the KNX line using the standard KNX bus terminal connection.
- Ensure the operating environment remains within the specified ambient temperature range of -5°C to 45°C.
Developer Resources
- Available resources include ETS database files in ZIP format (single product and all products), tender text DOC files, handbook, operating instructions, CE declaration of conformity, and EU Data Act information notice in PDF format.
FAQ
How is the theben OSIRIA 230 AR KNX clock powered?
The clock is powered directly via the KNX bus voltage with a current consumption of ≤12 mA. Explore more theben KNX solutions for professional building automation projects.
Does the clock retain time during a power failure?
Yes, the unit features an internal power reserve capable of maintaining operation for up to 10 days. For certificates and current technical files, refer to the manufacturer technical documentation.
What are the dial specifications of this clock?
The clock has a single-sided round dial measuring Ø 300 mm in diameter, featuring black Arabic numerals on a white metallic surface, black bar hands, and a red second hand.
What documentation is provided for system integrators?
Documentation includes ETS database ZIP files, tender text in DOC format, operating instructions, handbook, data sheet, CE declaration, and EU Data Act notice.
What is the exact product model?
The order/model code for this page is 5009210. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The theben OSIRIA 230 AR KNX (5009210) offers a dependable, highly visible indoor clock solution engineered specifically for KNX networks. Its 10-day power reserve, clear dial geometry, and low bus current draw make it a solid specification choice for modern commercial projects. Installers and system integrators can review our KNX dealer program options.






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