theben OSIRIA 242 SR KNX Indoor Clock (5009251)

Description

Introduction

The theben OSIRIA 242 SR KNX (Item no. 5009251) is a professional-grade round, double-sided KNX indoor clock designed for integration within KNX building automation networks. Featuring white dials with clear fineline numerals and a white painted metallic housing, this clock delivers precise visual time display for commercial, institutional, and public facilities. This device is part of our Accessories range.

Operating directly on standard KNX bus voltage with a current consumption of ≤12 mA, the unit includes a versatile 150 mm holder for wall or ceiling mounting. Equipped with an integrated 10-day power reserve and rated for ambient operating temperatures between -5°C and 45°C, the OSIRIA 242 SR KNX ensures reliable operation and long-term durability.

Key Features

• KNX bus powered with low bus current consumption (≤12 mA).
• Double-sided display with Ø 400 mm dial size.
• Fineline numerals on clean white dials.
• Supplied with a 150 mm wall/ceiling holder.
• 10-day power reserve capacity.
• Operating ambient temperature range from -5°C to 45°C.

Benefits

• Direct integration into KNX systems via a standard KNX bus terminal.
• Double-sided round layout with Ø 400 mm dial dimensions for maximum visibility.
• Integrated 10-day power reserve maintains internal operation during short supply interruptions.
• Durable white painted metallic housing tailored for commercial interior environments.
• Flexible mounting options via the included 150 mm wall or ceiling holder.

Technical Specifications

Specification	Value
Operating voltage KNX	Bus voltage, ≤12 mA
Power reserve	10 days
Housing material	White painted metallic housing
Type of numerals	Fineline numerals
Tender text	DOC
Hand book	PDF
Information Notice EU Data Act	PDF
CE declaration of conformity	PDF
Data sheet	PDF
Type of connection	KNX bus terminal
Dial dimensions	Ø 400 mm
Ambient temperature	-5°C … 45°C
Operating instructions	PDF
KNX-Database (Single Product)	ZIP
KNX-Database (all products)	ZIP

Applications

• Commercial office spaces and public lobbies requiring unified time synchronization.
• Educational, medical, and administrative facilities utilizing KNX building infrastructure.
• Corridors and open hall areas benefiting from a double-sided visual display.

Installation Notes

• Connect to the KNX line using the dedicated KNX bus terminal.
• Mount securely using the provided 150 mm bracket, configured for either wall or ceiling alignment.
• Verify that ambient site conditions remain within -5°C to 45°C during operation.

Developer Resources

• ETS database files available as KNX-Database (Single Product) ZIP and KNX-Database (all products) ZIP.
• Official documentation includes Data sheet PDF, Operating instructions PDF, Hand book PDF, and Tender text DOC files.

FAQ

How is the OSIRIA 242 SR KNX clock powered?

It is powered directly by the KNX bus voltage with a current consumption of ≤12 mA. Explore more theben building automation products for professional building automation projects.

Does the clock retain time during a power failure?

Yes, it features an integrated power reserve of 10 days. For certificates and current technical files, refer to the official product documentation.

What are the mounting options for item 5009251?

It comes with a 150 mm holder designed for wall or ceiling mounting.

What are the physical dimensions of the dial?

The dial dimensions are Ø 400 mm.

What is the exact product model?

The order/model code for this page is 5009251. Match it against project documents before purchase.

Who is the manufacturer?

This product is manufactured by theben.

Conclusion

The theben OSIRIA 242 SR KNX (5009251) provides an accurate, clear, double-sided time display designed specifically for KNX installations. Installers and system integrators can review our KNX dealer program options.

Featuring a robust metallic housing, Ø 400 mm dial, and a 10-day power reserve, it meets demanding facility engineering standards.