Description
Introduction
The GEWISS GW12856 ChoruSmart connected motion sensor delivers modern wireless automation capabilities for residential smart homes and light commercial environments. Utilizing the universal Zigbee wireless communication protocol, this compact 1-module device integrates smoothly into both new construction projects and retrofit renovation installations without requiring invasive dedicated control wiring. This device is part of our KNX automation components range.

Finished in an elegant satin black color, the GW12856 combines aesthetic appeal with functional utility within the GEWISS modular range. Operating on a standard 100/240 V AC supply, it features an integrated normally open (NO) 2A (AC1) switching contact, making it an ideal component for intelligent presence detection and localized switching control.
Key Features
- • Wireless Protocol: Zigbee connected smart system compatibility.
- • Part Number / SKU: GW12856.
- • Power Supply: 100/240 V AC, 50/60 Hz.
- • Contact Rating: NO (Normally Open) 2A (AC1) at 240 V AC.
- • Size: 1 Module.
- • Finish: Satin Black.
- • System Ecosystem: GEWISS ChoruSmart range for residential and light commercial applications.
Benefits
- • Reliable Wireless Integration: Utilizes the Zigbee protocol to enable seamless wireless communication across smart home environments.
- • Compact Modular Form: Occupies just 1 module space, allowing optimal space utilization within standard mounting frames.
- • Universal Mains Voltage: Operates across a wide input range of 100/240 V AC at 50/60 Hz for global installation flexibility.
- • Integrated Switching Contact: Features an internal NO 2A (AC1) relay output for direct load activation upon motion detection.
- • Premium Satin Black Aesthetics: Matches modern interior designs and blends cleanly into GEWISS ChoruSmart architectural plate setups.
Technical Specifications
Applications
- 1. Residential Smart Homes: Automated lighting and presence-based switching control in hallways, corridors, bathrooms, and utility areas.
- 2. Light Commercial & Offices: Energy-efficient motion detection in small meeting spaces, storage rooms, and break areas.
- 3. Retrofit & Renovation Projects: Upgrading existing switch locations with connected motion sensing without running new signal cables.
Installation Notes
- 1. Electrical Rating Check: Ensure connected electrical loads do not exceed the maximum output contact rating of 2A (AC1) at 240 V AC.
- 2. Modular Assembly: Designed for mounting into standard GEWISS ChoruSmart 1-module support frames and compatible back boxes.
- 3. Procurement & Model Verification: Cross-reference the exact SKU (GW12856), color code (Satin Black), and system specifications against your Bill of Quantities (BOQ) and official GEWISS technical datasheets prior to installation to ensure correct ordering.
Developer Resources
- Consult official GEWISS documentation and gateway configuration guides for detailed instructions on Zigbee network pairing, mesh configuration, and ChoruSmart system integration.
FAQ
What wireless technology does the GEWISS GW12856 use?
The GEWISS GW12856 operates using the Zigbee wireless protocol for connected smart home integration. Explore more GEWISS KNX products for professional building automation projects.
What is the contact rating of the internal switch?
The integrated contact is a Normally Open (NO) switch rated for 2A (AC1) at 240 V AC.
How many modules does this motion sensor occupy?
It is a standard 1-module unit designed for GEWISS ChoruSmart modular frames.
How can I verify this product matches my project requirements?
Verify the exact manufacturer part number (GW12856), finish (Satin Black), and electrical ratings against your Bill of Quantities (BOQ) and official manufacturer documentation before purchasing.
What is the exact product model?
The order/model code for this page is GW12856. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by GEWISS.
Conclusion
The GEWISS GW12856 ChoruSmart motion sensor offers a compact, efficient, and visually refined solution for Zigbee-based smart motion detection in modern homes and offices. Its 1-module form factor and standard AC operating voltage make it highly adaptable for both upgrades and new installations. Installers and system integrators can review our KNX dealer program options.
To ensure complete accuracy on your project bill of materials, verify the part number GW12856 and technical parameters against official GEWISS documentation prior to placing an order.






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