Description
Introduction
The Theben PS 320 mA T KNX (Item no. 9070957) is a dedicated KNX system component designed for powering and monitoring KNX bus line voltages. Operating on an input voltage of 230 V AC to 240 V AC at 50 Hz to 60 Hz, it delivers a nominal KNX output voltage of 30 V DC (± 2 V, SELV) with a nominal current output of 320 mA. Explore more theben automation devices for professional building automation projects.
Engineered for standard DIN rail mounting across a 4-module width, this power supply unit includes 1 KNX line output with an integrated throttle drive as well as an auxiliary 30 V DC supply. Featuring low stand-by power consumption of ≤0.8 W and a mains failure bridging time of at least 130 ms, it ensures consistent operation across commercial and residential KNX installations.
Key Features
- Nominal KNX output voltage of 30 V DC (± 2 V, SELV) and 320 mA nominal current.
- Mains operating voltage of 230 V AC – 240 V AC at 50 Hz – 60 Hz.
- Integrated throttle drive on 1 KNX output line.
- Auxiliary 30 V DC power supply output.
- Standard KNX bus terminal connection type.
- DIN rail mounting across a 4-module width.
- Operating ambient temperature range from -5°C to 45°C.
Benefits
- Delivers reliable power-supplying and monitoring of the KNX system voltage with a 320 mA output rating.
- Includes a 30 V DC auxiliary voltage output for additional system power requirements.
- Helps minimize energy usage with a low stand-by consumption of ≤0.8 W.
- Maintains continuous system operation during brief power outages with a minimum 130 ms mains failure bridging time.
- Provides reliable fault handling with an uninterrupted short-circuit current capacity up to max 0.8 A.
- Meets standard safety criteria with Protection Class II according to EN 60 730-1 and IP 20 enclosure protection.
Technical Specifications
Applications
- KNX System Powering: Supplying regulated 30 V DC bus voltage and monitoring for KNX installation lines.
- Auxiliary Voltage Distribution: Providing auxiliary 30 V DC supply to compatible KNX system components.
- Control Cabinet Integration: Direct DIN rail installation within residential and commercial distribution boards.
Installation Notes
- Mount the device directly on a standard DIN rail inside an enclosure providing an IP 20 protection rating or higher.
- Connect the operating mains input to a 230 V AC – 240 V AC, 50 Hz – 60 Hz source.
- Connect the KNX bus cable using the standard KNX bus terminal connection.
- Ensure environmental conditions remain within the operating ambient temperature limits of -5°C to 45°C.
Developer Resources
- Product Technical Data Sheet (PDF)
- CE Declaration of Conformity (PDF)
- Information Notice EU Data Act (PDF)
- KNX Database File (ZIP) for ETS system integration
FAQ
What is the nominal output current of the Theben PS 320 mA T KNX?
The nominal KNX output current for this power supply is 320 mA at 30 V DC (± 2 V, SELV). For certificates and current technical files, refer to the manufacturer technical documentation.
Does this power supply require an external choke?
No, the KNX output features 1 line with an integrated throttle drive.
What is the mains failure bridging time for this unit?
The power supply features a minimum mains failure bridging time of 130 ms.
What is the width of the unit on a DIN rail?
The device occupies 4 module widths on a standard DIN rail.
What is the exact product model?
The order/model code for this page is 9070957. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The Theben PS 320 mA T KNX (9070957) is a compact, 4-module wide power supply designed for powering and monitoring KNX line voltages. Equipped with a 320 mA output, 30 V DC auxiliary voltage, integrated throttle drive, and low standby power consumption, it offers a efficient solution for building automation projects. Installers and system integrators can review our professional project support options.
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