Description
Introduction
The theben TA 4.1 KNX (Item no. 4969274) is a compact 4-way binary input push-button interface designed for seamless integration into KNX TP system environments. Built for flush-mounted socket installation, this versatile system component allows standard push-buttons and conventional binary contacts to communicate directly across the KNX bus topology. This device is part of our KNX system devices range.

Engineered with contemporary security standards, the TA 4.1 KNX supports KNX Data Secure to ensure encrypted commissioning and reliable, protected network communication. In addition to binary signal handling, it features 2 NTC inputs capable of detecting actual temperatures ranging from -5 °C to +100 °C, making it an excellent choice for modern smart building applications.
Key Features
- 4 binary inputs for floating contacts and conventional push-buttons.
- 2 NTC temperature sensor inputs supporting a range of -5 °C to +100 °C.
- KNX Data Secure support for enhanced system communication security.
- Standard KNX bus terminal connection type.
- Flush-mounted socket installation form factor.
- Pre-installed 25 length connecting wires with maximum cable length up to 30.
- Protection class III and IP 20 type of protection.
Benefits
- KNX Data Secure compliance ensures protected commissioning and prevents unauthorized bus access.
- Integrated 2 NTC temperature inputs allow direct temperature detection from -5 °C up to +100 °C.
- Compact housing designed specifically for easy installation inside standard flush-mounted sockets.
- Configurable operational behavior following KNX bus voltage recovery to suit system requirements.
- Low KNX bus power consumption of ≤10 mA ensures energy-efficient network operation.
Technical Specifications
Applications
- Interfacing standard mechanical push-buttons and switches into a KNX TP automation network.
- Temperature measurement and room climate control using connected NTC temperature sensors.
- Flush-mounted switch box installations in residential and commercial buildings requiring KNX Data Secure.
Installation Notes
- Install directly into a flush-mounted socket behind the switch or push-button mechanism.
- Connect to the KNX bus line using the standard KNX bus terminal.
- Verify that connection wiring does not exceed the maximum allowed cable length of 30.
Developer Resources
- Official manufacturer documentation including Data Sheet (PDF), Operating Instructions (PDF), and Handbook (PDF).
- ETS database files available via KNX-Database single product ZIP and complete product collection ZIP.
FAQ
What is the purpose of the theben TA 4.1 KNX?
The TA 4.1 KNX is a 4-way binary input push-button interface that integrates conventional switches and binary contacts into a KNX system, featuring 2 NTC inputs for temperature measurement. Explore more products from theben for professional building automation projects.
Does the TA 4.1 KNX support KNX Data Secure?
Yes, it supports KNX Data Secure for encrypted commissioning and secure network communication. For certificates and current technical files, refer to the official product documentation.
What temperature range is supported by the NTC inputs?
The 2 NTC temperature inputs can detect actual temperatures from -5 °C to +100 °C.
How is this device mounted?
The device is designed for flush-mounted socket installation and connects using a standard KNX bus terminal.
What is the exact product model?
The order/model code for this page is 4969274. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The theben TA 4.1 KNX (4969274) offers a reliable and secure solution for integrating standard push-buttons and temperature sensors into KNX networks. With support for KNX Data Secure, flexible bus recovery options, and compact flush-mounted design, it meets the requirements of modern commercial and residential automation systems. Installers and system integrators can review our become a KNX dealer options.







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