Shelly
EM Gen3
Compact two-channel Wi-Fi energy meter that measures consumption with two current transformer clamps up to 80A per channel. Includes a dry-contact relay for contactor control of heavy loads like water heaters and heat pumps.
Setup guides
Roles it can fill
Native Shelly integration, local and no cloud required, with MQTT support. Two-channel contactless metering via CT clamps (50A clamp included, up to 80A per channel) plus a dry-contact relay for contactor control; Matter is available over Wi-Fi via firmware, though energy data is not exposed to Matter.