Description
Introduction
The Theben HU 1 KNX (Item no. 4942540) is a 1-way flush-mounted heating actuator designed for precise thermal control within KNX building automation networks. Operating directly on standard KNX bus voltage with a low current consumption of under 4 mA, this single-channel base module provides dependable switching control for 230 V AC thermal actuators. This device is part of our professional KNX Actuators range.
Engineered with support for KNX Data Secure, the HU 1 KNX ensures encrypted and secure communication across intelligent building installations. Its compact flush-mounted design, IP 20 protection rating, and silent operating performance make it an excellent choice for modern residential and commercial HVAC projects.
Key Features
- 1-channel flush-mounted heating actuator base module.
- Full support for encrypted KNX Data Secure communication.
- Noiseless control designed for 230 V AC thermal actuators.
- Bus-powered operation (<4 mA current consumption).
- Protection Class II rating and IP 20 enclosure protection.
- Designed for an ambient operating temperature range of -5°C to 45°C.
Benefits
- Delivers completely noiseless switching control for 230 V AC thermal actuators, ensuring quiet operation in sensitive environments.
- Integrates KNX Data Secure technology to safeguard bus communications against unauthorized access.
- Features a compact flush-mounted form factor suitable for seamless wall-box installation.
- Consumes minimal energy directly from the bus with an operating current of less than 4 mA.
- Operates reliably across ambient temperatures ranging from -5°C to 45°C.
- Provides Protection Class II insulation and an IP 20 enclosure rating for safe integration.
Technical Specifications
Applications
- Individual room temperature and heating control via 230 V AC thermal actuators.
- Flush-mounted installations in secure residential or commercial KNX automation systems.
- Noise-sensitive locations such as hotel bedrooms, private offices, and residential living areas.
Installation Notes
- Mount the unit inside a standard flush-mounted electrical junction box.
- Connect directly to the KNX bus line, verifying current draw remains under 4 mA.
- Ensure the operating environment remains strictly within -5°C to 45°C.
- Follow local wiring regulations maintaining Class II isolation requirements.
Developer Resources
- KNX Database ETS files available in ZIP format for single product or complete range integration.
- Official product technical data sheet, operating instructions, and handbook in PDF format.
- CE declaration of conformity and EU Data Act information notice.
FAQ
What type of actuators is the Theben HU 1 KNX compatible with?
The HU 1 KNX is designed for noiseless control of 230 V AC thermal actuators. Explore more theben building automation products for professional building automation projects.
Does this actuator support encrypted KNX communication?
Yes, it fully supports KNX Data Secure for protected communication across the bus network. For certificates and current technical files, refer to the manufacturer technical documentation.
What is the mounting style and IP rating of this device?
It is a flush-mounted unit with an IP 20 protection rating and Protection Class II classification.
What is the power consumption from the KNX bus?
The device operates on standard KNX bus voltage with a low current draw of less than 4 mA.
What is the exact product model?
The order/model code for this page is 4942540. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The Theben HU 1 KNX (4942540) is a reliable, single-channel flush-mounted heating actuator tailored for modern KNX installations requiring noiseless control of 230 V AC thermal actuators. Installers and system integrators can review our become a KNX dealer options.
Featuring KNX Data Secure encryption and ultra-low power consumption, it offers a secure and efficient solution for professional heating automation.
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