Description
Why choose the Gruff DIN rail relay?
Clear financial benefit, up to €200 per year
Remote device on/off capability
Smart energy consumption
Increase green energy share
Simple and convenient use via mobile app
Secure software, data is not shared
Technical specifications
Wi-Fi compatibility
The relay operates on a 2.4 GHz local Wi-Fi network.
Power management
Supports up to 64A current. Designed for high-power devices like underfloor heating, water heaters, and EV chargers.
Usage
Designed for use in standard electrical networks.
Software and support
Minimal updates ensuring trouble-free experience. Gruff Technology provides comprehensive free customer support.
Use cases
Underfloor heating
Automatically control underfloor heating during cheap hours
Heating systems
Optimize heating system energy consumption
EV charging
Charge your electric car during the cheapest hours
Water heater
Heat water automatically during cheap hours
Gruff app
The Gruff app is available for both Android and iOS. With the app you can:
- Monitor real-time Nord Pool prices
- Set price limits and operating hours
- View energy consumption history
- Switch devices on/off remotely
- Get notifications about price changes

