Description
Introduction
The theben RM 8 T KNX (item number 4940200) is a versatile FIX1 DIN rail actuator designed for intelligent building control in KNX automation networks. It features flexible channel function selection, allowing it to operate as an 8-way switching actuator or as a 4-way blind actuator to control motor drives for blinds, shutters, sun and vision protection devices, skylights, and ventilation flaps. This device is part of our KNX Actuators products range.
Engineered for efficient system monitoring and installation, this actuator includes dedicated LED switching status displays for every channel. Running on standard KNX bus voltage with low stand-by power consumption, the device provides reliable, high-capacity switching and drive control for commercial and residential applications.
Key Features
- FIX1 series enclosure suitable for standard DIN rail mounting.
- KNX bus operating voltage with current consumption ≤4 mA.
- Mains operating voltage rating of 110 V AC to 240 V AC at 50 Hz – 60 Hz.
- Configurable for switching functions or driving shutters, blinds, skylights, and ventilation flaps.
- NO contacts rated for 16 A and 3 A at 240 V AC output voltage.
- Capable of controlling up to 2000 W incandescent/halogen loads and up to 600 W LED loads.
Benefits
- Provides flexible channel selection to function as an 8-way switching actuator or a 4-way blind control actuator.
- Includes LED switching status displays for each individual channel to simplify testing and operation.
- Maintains low stand-by energy consumption of approximately 0.5 W and bus current draw of ≤4 mA.
- Handles high peak inrush currents up to max. 800 A / 200 µs for demanding electrical loads.
- Supports a wide range of conductor sizes from 0.5 mm² to 6 mm² for straightforward wiring.
Technical Specifications
Applications
- Flexible control of lighting circuits in KNX-automated commercial and residential buildings.
- Automated motor control for window blinds, shutters, sun protection screens, skylights, and ventilation flaps.
Installation Notes
- Mount the device on a standard DIN rail within a distribution panel or cabinet.
- Connect the KNX bus line (≤4 mA) and mains supply (110 V AC – 240 V AC) using solid wire (0.5 mm² to 6 mm²) or stranded wire with end sleeves (0.5 mm² to 4 mm²).
Developer Resources
- Official documentation available includes product data sheet, CE declaration of conformity, and EU Data Act information notice.
FAQ
What is the primary function of the theben RM 8 T KNX actuator?
The theben RM 8 T KNX (4940200) offers flexible channel selection to operate as an 8-way switching actuator or a 4-way blind actuator for controlling drives and lighting loads. Explore more products from theben for professional building automation projects.
What operating voltages are required for this device?
It operates on KNX bus voltage (≤4 mA) and a mains supply voltage of 110 V AC to 240 V AC at 50 Hz – 60 Hz. For certificates and current technical files, refer to the manufacturer technical documentation.
How do I verify channel switching states on the unit?
The actuator features integrated LED switching status displays for each channel directly on the device.
What is the exact product model?
The order/model code for this page is 4940200. 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 RM 8 T KNX (SKU 4940200) delivers flexible 8-way switching or 4-way blind drive control in a standard DIN rail form factor. Equipped with clear status LEDs and capable of handling high peak inrush loads, it serves as a reliable solution for professional KNX building automation projects. Installers and system integrators can review our installer purchasing support options.
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