Description
Introduction
The theben OSIRIA 251 BQ KNX (SKU 5009252) is a single-sided square indoor clock engineered specifically for seamless integration into KNX building automation networks. Featuring a white painted metallic housing and a 400 x 400 mm display dial, it presents time clearly using high-contrast black DIN bar numerals. This device is part of our KNX system components range.
Designed for demanding public and institutional environments, this clock provides limited protection against thrown balls according to DIN 18032-3 standards. Powered directly via the KNX bus terminal, it offers an ideal timekeeping solution for sports halls, schools, and civic facilities requiring dependable, system-managed time displays.
Key Features
- Single-sided square indoor clock layout.
- Dial dimensions measuring 400 x 400 mm.
- KNX bus-powered operation (≤12 mA).
- Ball-throw protection according to DIN 18032-3.
- White painted metallic housing.
- Black DIN bar numerals for precise visual time display.
- Standard KNX bus terminal connection.
- Built-in 10-day power reserve.
Benefits
- Native KNX Integration: Operates directly on the KNX bus line with low current consumption (≤12 mA) via a standard KNX bus terminal.
- Ball-Throw Resistant: Meets DIN 18032-3 criteria for limited ball-throw protection, ensuring durability in sports halls and school gymnasiums.
- Integrated Power Reserve: Features a 10-day power reserve to maintain internal time synchronization during network or power disruptions.
- Clear Visibility: The 400 x 400 mm dial with black DIN bar numerals on a white background provides optimal readability across large indoor spaces.
- Robust Metallic Construction: Constructed with a white painted metallic housing built for ambient working temperatures between -5°C and 45°C.
Technical Specifications
Applications
- Sports halls and school gymnasiums requiring DIN 18032-3 compliant impact resistance.
- Educational facilities, lecture halls, and administrative offices integrated with KNX automation.
- Public and commercial buildings utilizing centralized KNX time management systems.
Installation Notes
- Connect the clock directly to the KNX bus topology using the standard KNX bus terminal.
- Verify that the mounting location maintains operating ambient temperatures between -5°C and 45°C.
- Ensure secure wall fixing to maintain ball-throw resistance per DIN 18032-3 standard guidelines.
Developer Resources
- KNX Database ZIP files available for ETS project configuration (Single Product and All Products databases).
- Complete technical documentation including PDF Handbook, Operating Instructions, and Product Data Sheet.
- Regulatory files including CE Declaration of Conformity, EU Data Act Information Notice, and DOC Tender Text.
FAQ
What is the operating power requirement for the OSIRIA 251 BQ KNX?
The clock is powered directly by the KNX bus voltage with a current consumption of ≤12 mA. Explore more theben KNX products for professional building automation projects.
Is this clock suitable for installation in gymnasiums?
Yes, it has limited protection against thrown balls compliant with DIN 18032-3, making it suitable for schools and sports halls. For certificates and current technical files, refer to the official product documentation.
How long is the internal power reserve?
The clock includes an integrated power reserve of 10 days.
What are the physical dimensions of the dial?
The square dial measures 400 x 400 mm.
What is the exact product model?
The order/model code for this page is 5009252. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The theben OSIRIA 251 BQ KNX (SKU 5009252) combines certified ball-throw protection with reliable KNX bus operation, making it an excellent timekeeping choice for educational and sports facilities. Installers and system integrators can review our dealer and project support options.
Featuring a 400 x 400 mm dial, 10-day power reserve, and durable metallic housing, it seamlessly integrates into modern KNX building management systems.
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