Description
Introduction
The GEWISS GW13786 is a specialized 2-module KNX infrared motion detector with an integrated twilight sensor, designed as part of the CHORUSMART series. Engineered to suit modern building infrastructure, this sensor combines motion detection and ambient light sensing into a unified modular form factor. Its beige finish allows seamless integration into matching interior modular frame assemblies. This device is part of our KNX automation components range.

Tailored for advanced automation solutions in residential environments and small-to-medium offices, the GW13786 operates natively on the KNX protocol. By delivering precise presence and twilight data to the KNX bus, it enables intelligent energy management, lighting control, and automated HVAC adjustments across commercial and residential projects.
Key Features
- Infrared motion detection functionality.
- Integrated twilight sensor for light-level monitoring.
- Native KNX system protocol communication.
- 2-module execution within the CHORUSMART product line.
- Beige enclosure finish.
- Designed for flush-mounting within compatible modular frames.
Benefits
- Combines infrared motion detection and twilight sensing in a single modular device.
- Native KNX protocol integration for reliable building automation and inter-device communication.
- Compact 2-module form factor compatible with the GEWISS CHORUSMART modular range.
- Beige color finish designed to match specific architectural and interior aesthetics.
- Optimized specifically for advanced automation in residential and small-to-medium office applications.
- Supports tailored energy-saving strategies by triggering actions based on occupancy and ambient light levels.
Technical Specifications
Applications
- Residential smart automation systems including hallways, living areas, and entrance zones.
- Small to medium office spaces, conference rooms, and administrative areas requiring automated presence detection.
Installation Notes
- Verify the exact SKU (GW13786) and color requirement against project specifications and Bill of Quantities (BOQ) prior to installation.
- Ensure the physical installation uses compatible 2-module GEWISS CHORUSMART mounting frames and enclosure accessories.
- Refer to official GEWISS documentation and ETS software database for accurate bus address assignment and parameter programming.
Developer Resources
- Refer to official manufacturer documentation for ETS application program files and parameter definitions.
- Consult GEWISS technical datasheets to ensure correct mechanical frame selection and installation guidance.
FAQ
What protocol does the GEWISS GW13786 motion detector use?
The GEWISS GW13786 communicates natively via the standard KNX protocol. Explore more GEWISS KNX products for professional building automation projects.
What sensing functions are integrated into this unit?
This unit incorporates both an infrared motion detector and a twilight sensor in one device.
What is the physical size and finish of the GW13786?
The product features a 2-module form factor in a beige finish within the CHORUSMART series.
Where is the GW13786 recommended for deployment?
It is suited for advanced automation in residential buildings as well as small-to-medium office environments.
What is the exact product model?
The order/model code for this page is GW13786. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by GEWISS.
Conclusion
The GEWISS GW13786 CHORUSMART motion and twilight sensor provides an efficient 2-module solution for KNX-based building automation. Designed in a beige finish, it delivers ambient light and motion detection capabilities suitable for modern residential and small-to-medium commercial installations. Installers and system integrators can review our installer purchasing support options.






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