Shelly Pro 3EM-3CT63 Single or Three-Phase DIN-Rail Energy Meter

The Shelly Pro 3EM-3CT63 is an energy meter, able to be used either as a single or three-phase energy monitor. Engineered to be mounted directly over the circuit breaker, the 3EM-3CT63 includes a combined three-phase current transformer, and stores data on energy usage both locally for up to sixty days and automatically in the cloud for later analysis.