Shelly PRO 3EM 400A, three-phase energy meter

Shelly Pro 3EM 400A – a professional three-phase energy meter supplied with three 400 A current transformers, designed for accurate energy monitoring, load analysis, and automation in commercial and industrial installations.

Features

• Three-phase energy monitoring with 3 × 400 A current transformers
• Accurate measurement of voltage, current, active and reactive power, energy, and power factor
• 4-quadrant measurement for imported and exported energy
• LAN, Wi-Fi, and Bluetooth connectivity
• DIN rail mounting
• Supports MQTT, Webhooks, REST API, Modbus TCP, and scripting
• Real-time data logging and energy analytics
• Built-in protection features and secure TLS communication
• Supports local automation and smart scenes without a hub

Primary Uses

• Monitoring three-phase electrical systems
• Industrial load and equipment analysis
• Solar production and energy consumption monitoring
• Energy optimization and automation

Compatibility

• Works with the Shelly Smart Control ecosystem
• Supports MQTT, Modbus TCP, REST API, Webhooks, and KNX integrations
• Compatible with Home Assistant, Alexa, Google Home, and SmartThings

• Datasheet