The Shelly 1 Gen4 is a compact, powerful and versatile smart relay, designed to be installed behind any existing electrical appliances to connect them to the internet and integrate them into a wider smart ecosystem. The 1 Gen4 features a single channel and can manage up to 16A, making it an ideal option for lighting, heating, bi-directional motors and a huge range of other electrical appliances.

The Shelly 1 Gen4 WiFi & Zigbee Operated Smart Relay provides accurate real-time energy measurement and system visibility essential for solar self-consumption optimisation, grid export management and billing compliance.

Its DIN-rail mounting, broad inverter compatibility and straightforward commissioning make it a dependable metering solution for UK residential and commercial solar installations.