Description
Introduction
The GEWISS GW15786 is a 2-module KNX infrared motion sensor featuring an integrated twilight sensor, designed in an elegant satin white finish within the ChoruSmart product line. Built for integration into standard KNX building automation systems, this device delivers intelligent presence detection and light-level management suitable for modern residential environments and small-to-medium office spaces. This device is part of our Motion & Presence Sensors products range.

As part of the modular GEWISS ChoruSmart ecosystem, this flush-mounted sensor allows integrators to implement flexible, energy-efficient lighting control routines. Due to limited technical data in standard supplier feeds, procurement managers and electrical contractors should double-check exact Bill of Materials (BOQ) specifications and consult official GEWISS documentation before finalizing orders.
Key Features
- Native KNX system protocol integration.
- Combined infrared motion detector and twilight sensor functionality.
- 2-module flush-mounting enclosure format.
- Finished in satin white for modern interior matching.
- Optimized for residential homes and small-to-medium office spaces.
Benefits
- Integrated Dual Sensing: Combines passive infrared motion detection and twilight ambient light sensing in a single KNX bus unit.
- Modular ChoruSmart Design: Features a standard 2-module form factor designed for seamless architectural integration into ChoruSmart frames.
- Energy-Efficient Light Control: Enables automated switching and dimming routines based on both occupant movement and available natural light.
- Refined Architectural Aesthetic: The satin white finish provides a modern look that coordinates with contemporary interior designs.
- Standard KNX Interoperability: Directly connects to KNX bus networks, communicating seamlessly with standard KNX actuators and controllers.
Technical Specifications
Applications
- Residential Smart Automation: Intelligent lighting activation for hallways, corridors, and living areas based on movement and ambient light levels.
- Commercial Office Buildings: Automated presence detection and daylight-dependent control in private offices, corridors, and meeting rooms.
Installation Notes
- Modular Mounting: Designed to fit standard 2-module wall boxes using compatible GEWISS ChoruSmart support frames and cover plates.
- Procurement Verification: Verify exact SKU GW15786 details against engineering submittals and official GEWISS KNX ETS database files prior to installation.
FAQ
What sensing functions are included in the GEWISS GW15786?
The GEWISS GW15786 integrates both a passive infrared (PIR) motion sensor and a twilight (ambient light level) sensor into a single KNX device. Explore more GEWISS KNX products for professional building automation projects.
Which mounting system is compatible with this sensor?
This unit features a 2-module design compatible with the GEWISS ChoruSmart flush-mounting system and decorative frames.
How can I avoid ordering errors for this limited-data item?
Cross-reference the exact manufacturer model number GW15786 with project submittals and official GEWISS documentation before issuing purchase orders.
What is the exact product model?
The order/model code for this page is GW15786. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by GEWISS.
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 GEWISS ChoruSmart GW15786 KNX infrared motion sensor with twilight sensor offers a compact, 2-module solution for automated, light-sensitive energy management in smart buildings. Installers and system integrators can review our installer purchasing support options.
To ensure correct procurement and avoid order mismatches, confirm all model specifications against official GEWISS documentation and project submittal plans.






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