Shelly
Pro EM-50
DIN-rail single-phase energy meter with two metering channels measuring voltage, current and power via clamp-on 50 A current transformers, plus a built-in dry-contact relay for contactor control. Stores at least 60 days of on-device data at 1-minute resolution for accurate consumption and production monitoring.
Setup guides
Roles it can fill
Native Shelly integration, local with no cloud required, plus MQTT; wired Ethernet (RJ45) alongside Wi-Fi and Bluetooth. Two independent metering channels (IA/IB) via 50 A clamp-on current transformers at +/-1% accuracy, with an integrated dry-contact relay for contactor control; no built-in display.