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Shelly PRO 3EM is the new, second generation member of Shelly's professional three-phase energy meter, suitable for both private and public use and integration into other systems. It can measure the consumption of circuits, electrical appliances, heating or cooling systems or entire households, workshops, public facilities, one three-phase circuit or three single-phase circuits.
It is able to measure and display real-time consumption, and save 60 days of consumption (in offline mode without WiFi), 1-minute breakdown and consumption data per phase.
Shelly Pro 3EM is a Bluetooth-paired, Wi-Fi device, which is also equipped with a LAN connector. With an energy measurement accuracy of 1%, Shelly Pro 3EM can monitor the consumption of any household appliance, electrical circuit and office equipment separately. It saves 60 days of historical data on the device, with a resolution of 1 minute for each phase separately. In addition, the script functions allow for the local execution of complex scenes.
Thanks to the LAN connection in Shelly PRO devices, it also provides professional integrators with many opportunities to create professional solutions. It also shows the current voltage, current and power factor per phase in real time.
4-quadrant measurement (for capacitive and inductive load types, measures both consumption and recharge)Accuracy class B (IEC 62053-21) for active energy: Shelly Pro 3EM has a measurement accuracy of 1%.Supports solar systems: can measure both consumption and rechargeOptical pulse indication of energy consumptionThe package also includes 3 x 120A current transformersMODBUS support: Allows for easy and quick installation in existing industrial facilities.Wi-Fi, LAN and Bluetooth connectivity: Simultaneous use of Ethernet and Wi-Fi. MQTT, incoming and outgoing WebSocket, UDP, mTLS support.Power monitoring: Can measure three-phase systems or up to 3 circuits in single-phase electrical systems.Fast notifications and storage of consumption data with a resolution of 1 minute for at least 60 days. Data is stored in local memory.Scripting Features: Shelly Pro 3PM fully supports mjS scripting, allowing you to run local automations.Industrial-grade security Shelly Pro 3EM supports mTLS for MQTT, HTTP and secure outbound WebSockets. Its industrial-grade security allows direct connection to cloud infrastructure, reducing the cost of deploying complex networks and VPNs.Relay output for contactor control: max 10A
