Description
Introduction
The theben PS 1280 mA T KNX (SKU 9070959) is a dedicated KNX system power supply designed to provide clean power and voltage monitoring for KNX installations. Operating on an input voltage of 220 V AC to 240 V AC at 50 to 60 Hz, this unit outputs a regulated 30 V DC (± 2 V, SELV) auxiliary system voltage to power attached KNX devices. This device is part of our KNX system components range.
Designed for DIN rail mounting with a width of 4 modules, the device features an integrated throttle drive for one KNX output line using standard KNX bus terminals. With standby energy consumption capped at ≤0.8 W and a mains failure bridging time of at least 130 ms, it ensures energy-efficient, reliable system operations across residential and commercial bus lines.
Key Features
- Nominal KNX bus output voltage of 30 V DC (± 2 V, SELV) at 1280 mA nominal current.
- Mains supply operating voltage of 220 V AC – 240 V AC, 50 Hz – 60 Hz.
- Integrated throttle drive providing 1 KNX line output.
- Protection Class II according to EN 60 730-1 with an IP 20 enclosure rating.
- Wide ambient operating temperature range from -5°C to 45°C.
- Standby power consumption of ≤0.8 W.
Benefits
- Delivers a steady 1280 mA nominal current for supplying and monitoring KNX bus lines.
- Ensures continuous operation during temporary mains disruptions with a minimum 130 ms failure bridging time.
- Reduces operational energy overhead with low standby power consumption of ≤0.8 W.
- Limits damage risks from continuous short circuits with an uninterrupted short-circuit current limit of max. 3 A.
- Fits standard electrical switchboards using a compact 4-module DIN rail footprint.
Technical Specifications
Applications
- Providing KNX system bus power and monitoring in commercial and residential building automation installations.
- Standard DIN rail distribution enclosure mounting for KNX control networks requiring reliable 30 V DC SELV supply.
Installation Notes
- Mount the unit on a standard DIN rail within a switchboard enclosure ensuring an IP 20 rated environment.
- Connect the primary 220 V AC – 240 V AC mains voltage and wire the KNX output line using standard KNX bus terminals.
Developer Resources
- Download the single-product ETS database (ZIP) and full product collection database (ZIP) for device configuration.
- Access the official technical data sheet, CE declaration of conformity, and EU Data Act information notice in PDF format.
FAQ
What is the output voltage and current of the theben PS 1280 mA T KNX?
The unit outputs a nominal KNX voltage of 30 V DC (± 2 V, SELV) with a nominal current rating of 1280 mA. Explore more theben KNX products for professional building automation projects.
How does the power supply react to brief power interruptions?
It provides a mains failure bridging time of at least 130 ms to keep the KNX bus running smoothly during short outages. For certificates and current technical files, refer to the manufacturer technical documentation.
What are the physical mounting dimensions of this model?
The power supply features a standard 4-module width designed for DIN rail installation.
What is the exact product model?
The order/model code for this page is 9070959. 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 PS 1280 mA T KNX (SKU 9070959) offers essential system power and voltage monitoring in a standard 4-module DIN rail design. Installers and system integrators can review our installer purchasing support options.
Featuring 1280 mA output, integrated choke, 130 ms mains bridging time, and ≤0.8 W standby consumption, it serves as a reliable core power component for professional KNX bus topologies.
Reviews
There are no reviews yet.