Why it stands out
Shelly Pro EM-50 fits buyers who want more than simple app-only monitoring. It combines dual-channel CT measurement on a single phase with LAN, Wi-Fi, and local protocol support, so it can sit comfortably in automation-heavy homes, small commercial panels, or solar-adjacent installations where local access matters.
Best fit
This meter makes the most sense when you want a panel-mounted device that can watch one single-phase supply with two CTs, keep local history on the device, and integrate with Home Assistant or other local systems without forcing a cloud-first workflow. The built-in dry-contact relay also gives installers a practical path for contactor-led control.
Watch-outs
It is still a single-phase device, so it is not the right replacement for a true three-phase meter. Buyers should also confirm CT sizing, enclosure space, and whether they actually need the relay-control feature or just straightforward metering.