Description
Introduction
The theben BME 6 T KNX (Item no. 4930235) is a high-performance 6-way binary input extension module belonging to the theben MIX2 system architecture. Built specifically for system integrators seeking flexible binary signal processing in building control, this device allows convenient expansion up to a maximum of 18 channels when connected with compatible base units. This device is part of our KNX system devices range.

Engineered for standardized DIN rail mounting, the module handles a broad voltage input range from 10 V DC to 240 V AC (2 mA). Featuring IP 20 protection and Protection Class II certification according to EN 60 730-1, it incorporates 6 status LEDs for clear real-time diagnostic visual feedback directly on the unit.
Key Features
- 6-way binary input extension module for theben MIX2 series.
- Allows upgrading system channel count to a maximum of 18 channels.
- Wide input voltage operating range of 10 V DC to 240 V AC at 2 mA.
- Auxiliary output rating of 12 V DC / 18 mA (non-SELV).
- Suitable for SELV application provided all inputs are connected to SELV.
- KNX bus terminal connection type.
- DIN rail mounting with IP 20 protection class.
- Ambient operating temperature range from -5°C to +45°C.
Benefits
- Scalable Expansion: Functions seamlessly as a MIX2 extension module to scale binary input capabilities up to 18 channels.
- Broad Input Compatibility: Accommodates voltage inputs ranging from 10 V DC to 240 V AC at 2 mA.
- Direct Status Feedback: Equipped with 6 channel-specific LEDs to display input switching conditions instantly.
- Standardized Safety Compliance: Meets EN 60 730-1 Protection Class II standards with an IP 20 enclosure rating.
- Versatile Wiring Support: Supports solid wire cross sections up to 6 mm² and stranded wire with end sleeves up to 4 mm² with cable runs up to 100 meters.
Technical Specifications
Applications
- Extending binary contact monitoring capability across KNX control cabinets.
- Processing floating and non-floating digital signals in commercial automation installations.
- Expanding existing theben MIX2 base module channel density in distribution boards.
Installation Notes
- Install on standard DIN rail in a dry distribution enclosure maintaining IP 20 protection.
- Ensure ambient operating temperature stays within -5°C and +45°C.
- Connect to the KNX network using standard KNX bus terminals.
- Observe maximum wiring distance limit of 100 meters per input cable.
- Adhere to terminal wire limits: solid wire 0.5 mm² (Ø 0.8) to 6 mm² or stranded wire with end sleeve 0.5 mm² to 4 mm².
Developer Resources
- KNX Database available in ZIP format (Single Product and All Products).
- Product Handbook and CAD symbol provided in ZIP format.
- Data Sheet, Operating Instructions, CE Declaration of Conformity, and EU Data Act Notice available in PDF format.
FAQ
What is the primary role of the theben BME 6 T KNX?
It serves as a 6-way binary input MIX2 extension module to expand total channel capacity up to 18 channels in a KNX system. Explore more theben KNX solutions for professional building automation projects.
What voltage ranges are supported by the inputs?
The voltage inputs accommodate signals from 10 V DC to 240 V AC at 2 mA. For certificates and current technical files, refer to the official theben product page.
Can this module be used in SELV circuits?
Yes, the unit is suitable for SELV installations provided that all connected inputs strictly utilize SELV signals.
What is the maximum allowed cable length for inputs?
The maximum input cable length specified for this device is 100 meters.
What is the exact product model?
The order/model code for this page is 4930235. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by theben.
Conclusion
The theben BME 6 T KNX (4930235) delivers a reliable and efficient extension solution for KNX installations requiring additional binary input channels. Its support for broad voltage ranges, local status LEDs, and MIX2 modular scaling makes it an ideal selection for commercial building automation. Installers and system integrators can review our dealer and project support options.
By ensuring strict compliance with EN 60 730-1 standards and offering convenient ETS database integration files, this module simplifies both physical installation and software commissioning.








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