The Shelly Pro 3EM Switch Add-On is a DIN-rail mountable device that extends Shelly Pro 3EM functionality with weather-driven energy optimisation and PV load balancing — for example, redirecting surplus solar energy to water heaters or EV chargers. Features dry contacts and is galvanically isolated.
- DIN-rail mountable
- Works only with Shelly Pro 3EM
- Dry contact support
- PV load balancing and weather-driven energy optimisation
The Shelly Pro 3EM Galvanically Isolated Smart Switch Add-On 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.
