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Shelly

Pro 3EM

Selora recommended

DIN-rail three-phase energy meter that measures voltage, current, power and power factor across all three phases via 120 A current transformers. Stores roughly 60 days of on-device data with 1-minute resolution for accurate consumption and production monitoring.

Works on integrations
Protocols
Roles it can fill
Native Shelly integration, local with no cloud required, plus MQTT; wired Ethernet (RJ45) alongside Wi-Fi and Bluetooth, with Matter over Wi-Fi added in firmware 1.6.0+. Three-phase plus neutral metering at +/-1% accuracy via clamp-on current transformers; no built-in display.

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