Shelly
3EM-63 Gen3
Compact DIN-rail energy meter that monitors a three-phase system or three independent single-phase circuits up to 63 A per phase. Tracks voltage, current, active and apparent power and energy with 4-quadrant measurement for whole-home or sub-circuit visibility.
Setup guides
Roles it can fill
Native Shelly integration, local, no cloud required, with MQTT support; Matter over Wi-Fi added in firmware 1.6.0+. Three-phase (or three single-phase) metering up to 63 A per phase with neutral, on-device logging at 1-minute resolution for at least 7 days, DIN-rail mountable.