Three-Phase Smart Meter for EcoFlow STREAM systems EcoFlow Smart Meter (Shelly Pro 3EM)

Three-Phase Smart Meter for EcoFlow STREAM systems EcoFlow Smart Meter (Shelly Pro 3EM)

The EcoFlow × Shelly Smart Meter is a three-phase energy meter for DIN rail mounting, based on the Shelly Pro 3EM model, designed to monitor electrical consumption in real time with high precision. It supports communication via Wi-Fi, LAN, and Bluetooth, allowing integration with EcoFlow systems such as OASIS or STREAM, as well as advanced automation and data export features. Ideal for residential, commercial, or industrial environments that require energy management and optimization, with the possibility of local storage and remote control.

Main features:
Based on the Shelly Pro 3EM
Three-phase measurement with external current transformers (120A CTs)
Communication via Wi-Fi, LAN, and Bluetooth for installation and monitoring
Compatible with EcoFlow STREAM and OASIS systems
Works with the EcoFlow app
Compatible with Alexa, Google Home, Samsung SmartThings, and Homey
Supports MODBUS RTU for industrial applications and advanced integrations
Measures energy consumption and injection (4-quadrant) – ideal for photovoltaic systems
Internal data storage with 1-minute resolution for up to 60 days
Support for Webhooks, MQTT, JSON RPC, and mJS scripting
Integration with the EcoFlow cloud and data export in CSV
DIN rail mounting with compact dimensions
Real-time measurement of voltage, current, power, and power factor
Internal temperature sensor and phase sequence error detection
LED status indicators: power, Wi-Fi, LAN, and energy counting

Specifications:
Electrical measurements
   - Voltmeters (RMS per phase): 100 – 260 V
        • Accuracy: ±1 %
Ammeters (RMS per CT in each phase + neutral): 0 – 120 A
        • ±1 % (2 – 120 A)
        • ±2 % (1 – 2 A)
        • ±5 % (0 – 1 A)
Types of energy/power measured:
        • Active and apparent
        • Fundamental active energy
        • Fundamental reactive energy
        • Power factor
Communication
   - WiFi: 802.11 b/g/n
        • Band: 2400 – 2495 MHz
        • Power: < 20 dBm
        • Range (varies locally):
            • Up to 50 m outdoors
            • Up to 30 m indoors
   - Bluetooth: 4.2
        • Range (varies locally):
            • Up to 30 m outdoors
            • Up to 10 m indoors
   - LAN: dedicated Ethernet port
Processing and automation
   - CPU: ESP32
   - Flash: 16 MB
   - Webhooks: up to 20, with 5 URLs per hook
   - Scripting: mJS
   - MQTT: Yes
   - Data export:
        • CSV for recorded values
        • JSON via RPC
Power supply and consumption
   - Supply voltage: 100 – 260 VAC, 50/60 Hz
   - Consumption: < 3 W
Environmental conditions
   - Operating temperature: -20 °C to 40 °C
   - Humidity: 30 % to 70 % RH
   - Maximum altitude: 2000 m
Installation and dimensions
   - Mounting: DIN rail
   - Dimensions (H×W×D): 94 × 19 × 69 mm

Notes:
Installation Recommendations:
   - Installation must be carried out by a qualified electrician
   - LAN should only be connected/disconnected with the equipment switched off
Certification: CE compliance (2014/53/EU, 2014/35/EU, among others)
User Button:
   - Press for 5 s to activate AP mode
   - Press for 10 s to restore factory settings
Count LED: Flashes red at a frequency proportional to the measured energy.

Includes:
1 x Three-phase meter
2 x Screws
1 x User manual

Barcode: 4895251644747 
Reference: ECMEDIDORTRI