Description
Introduction
The GEWISS GWA1502 is a 2-channel contact interface built on the Zigbee wireless protocol, engineered to integrate conventional contact inputs into smart automation networks. Operating at 230V, this compact module provides a reliable solution for expanding connected systems within residential smart homes and small commercial office environments. This device is part of our KNX system components range.

As a limited-data product entry, technical procurement requires strict verification of project requirements against official GEWISS documentation. System integrators and installers should cross-reference the GWA1502 SKU and bill of materials (BOQ) to ensure total protocol and voltage compatibility prior to procurement and site deployment.
Key Features
- Wireless Communication Protocol: Zigbee
- Number of Channels: 2 Channels
- Operating Voltage Rating: 230 V
- Target Deployment: Smart homes and small offices
- Official Manufacturer SKU: GWA1502
- Brand Compatibility: GEWISS connected system portfolio
Benefits
- Enables seamless integration of conventional input devices into Zigbee wireless automation networks.
- Dual-channel functionality allows independent monitoring or control of two separate signal lines.
- Designed for standard 230V mains operation, fitting typical building infrastructure requirements.
- Tailored for smart homes and small offices seeking non-disruptive wireless upgrades.
- Simplifies project expansion by connecting legacy switches into the GEWISS connected system ecosystem.
Technical Specifications
Applications
- Integrating standard push-buttons or binary contacts into a Zigbee smart home automation network.
- Upgrading existing small office electrical installations to wireless connected controls without extensive re-cabling.
- Interfacing wired sensor outputs into a central Zigbee management framework.
Installation Notes
- Ensure mains supply voltage (230V) is completely de-energized before performing any physical wiring or handling.
- Verify exact project submittals and BOQ entries against GEWISS official technical guidelines to prevent voltage or protocol mismatch.
- Installation must be performed by qualified electrical personnel adhering to local wiring and safety regulations.
Developer Resources
- Access official product documentation, wiring schematics, and system specifications directly via the manufacturer portal: https://www.gewiss.com/cz/cs/products/product.1000000.1008169.GWA1502
FAQ
What protocol does the GEWISS GWA1502 contact interface use?
The GEWISS GWA1502 operates on the Zigbee wireless protocol for connected smart home and office solutions. Explore more GEWISS KNX solutions for professional building automation projects.
What is the operating voltage for the GWA1502?
The GWA1502 interface is rated for operation at 230 V.
How many channels does this interface support?
The device features 2 independent channels for contact input integration.
How can I avoid procurement errors when ordering this part?
Always cross-check the exact SKU (GWA1502), operating voltage (230V), and communication protocol (Zigbee) against your project specification and official GEWISS technical datasheets before placing an order.
What is the exact product model?
The order/model code for this page is GWA1502. Match it against project documents before purchase.
Who is the manufacturer?
This product is manufactured by GEWISS.
Conclusion
The GEWISS GWA1502 2-channel 230V Zigbee contact interface is an effective solution for integrating wired inputs into modern wireless smart home and small office networks. Installers and system integrators can review our become a KNX dealer options.
To ensure proper integration and prevent ordering mismatches, always confirm technical details with official GEWISS product documentation prior to project execution.






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