Shelly Pro 3EM-400A Relay With 3 x 400A Clamps

Shelly Pro 3EM-400A Relay With 3 x 400A Clamps

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 tо 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-400 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 storag

Scripting functionalities

Shelly Pro 3EM-400 fully supports mjS scripting, allowing you to create further features and functionalities.

Specifications