Pro 3-Phase Energy Monitor, 400A, DIN Rail

Shelly Pro 3EM-400 is a DIN rail mountable three-phase energy meter. Enhanced with all the gen2 firmware flexibility and LAN connectivity, it provides professional integrators with additional options for end-customer solutions. Shelly Pro 3EM-400 reports accumulated energy as well as instantaneous voltage, current, and power factor per phase in real-time.

• Can measure up to 400 A for each phase and the neutral
• 4 quadrant measurement with multiple connection types
• Accuracy Class B active energy (Compliance with IEC 62053-21 based on manufacturer testing)
• Photovoltaic ready
• Phase sequence error detection (option)
• Optical pulse indication of energy usage
• Measurement accuracy to 1%
• Stores data in non-volatile memory that can be retrieved for a period of up to 60 days in 1-minute intervals
• Package includes 3 pieces of 400 A Current Transformers

• 4-quadrant measurement: Measure capacitive and inductive load types of active imported and exported energies.
• Accuracy class B (active energy): Shelly Pro 3EM has a measurement accuracy of 1%.
• MODBUS support: Allows for easy and fast deployment in existing industrial installations.
• Wi-Fi, LAN, and Bluetooth connectivity: Simultaneous Ethernet and Wi-Fi usage. MQTT, inbound and outbound WebSocket, UDP, mTLS support.
• Power monitoring: Monitors mono-phase electrical systems with up to 3 points simultaneously. Fast notifications and at least 60 days of 1-minute records storage.
• Scripting functionalities: Shelly Pro 3PM fully supports mjS scripting, allowing you to create further features and functionalities.