Next-generation 3-Phase

 Energy Meter

Shelly Pro 3EM-400 is a Wi-Fi-operated DIN-mountable 3-Phase Energy Meter with Wi-Fi, Bluetooth,

 and LAN connectivity. With active energy measurement accuracy of 1%, Shelly Pro 3EM-400 can be

used to monitor the consumption of home appliances, business electric circuits, and office equipment

individually. It features 60 days of on-device historical data with a 1-minute resolution for each phase.

Additionally, its scripting functionalities allow for the execution of complex scenes and

provide broader monitoring abilities.

Industry-grade security

Shelly Pro 3EM-400 supports mTLS for MQTT, HTTP, and secure outbound WebSockets.

 Its industry-grade security allows for direct connections to your cloud infrastructure, reducing

 the cost of deploying complex networks and VPNs.

Industrial installations

Shelly Pro 3EM-400 brings support for MODBUS for voltage, current, power, and energies.

You can accurately sample your energy usage and instantaneous values of voltage, current,

and power. Our new firmware platform allows for custom implementation that can report

as fast as every 100ms to your infrastructure.