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Shelly 3EM-63T Gen3 – Wi-Fi Three-Phase Energy Meter with Terminal Connections
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Shelly 3EM-63T Gen3 – Wi-Fi Three-Phase Energy Meter with Terminal Connections

Original price was: £79.99.Current price is: £74.99.

1 in stock

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Overview

Shelly 3EM-63T Gen3 is a compact Wi-Fi-operated three-phase energy meter designed for monitoring three-phase electrical systems or up to three independent single-phase circuits. This terminal-based version is intended for installations where fixed wiring via screw terminals is preferred.

It delivers precise real-time and historical measurements of voltage, current, active and apparent power, power factor, and accumulated energy per phase. The device supports local operation, cloud integration, and advanced automation, making it suitable for both residential and professional energy monitoring.

With built-in data storage, an embedded web interface, Bluetooth onboarding, and future-ready solar monitoring support, Shelly 3EM-63T Gen3 provides reliable and flexible energy monitoring and optimisation.

Key features

  • Three-phase energy monitoring or 3 independent single-phase circuits
  • Terminal-based wiring connections (63T version)
  • Integrated current transformers (0–63 A per phase)
  • Class B accuracy (IEC 62053-21) with 4-quadrant measurement
  • Real-time monitoring of voltage, current, power, and energy
  • Local data storage (up to 7 days at 1-minute resolution)
  • Embedded web server for direct local access
  • Wi-Fi operated – no hub required
  • Bluetooth for fast inclusion and setup
  • Local automation and full scripting support
  • MQTT, HTTP, WebSocket, and REST API support
  • Suitable for future solar and energy optimisation use cases

Product information

Use cases
  • Whole-Home Energy Monitoring
  • Track total electricity consumption across a three-phase installation to understand usage patterns and improve energy efficiency.
  • Multi-Circuit Monitoring
  • Monitor up to three independent circuits such as EV chargers, HVAC systems, or workshops.
  • Solar and Energy Optimisation
  • Measure grid import and export to support solar monitoring and energy optimisation systems.
Technical specifications
Power
Power Supply
220–240 V AC, 50/60 Hz (between LA and N)
Power Consumption
< 2 W
Measurement
Voltage (RMS)
220–240 V AC
Voltage Accuracy
±1%
Current (RMS via integrated CT)
0–63 A (130 A saturation)
Current Accuracy (2–63 A)
±1%
Current Accuracy (1–2 A)
±2%
Current Accuracy (0–1 A)
±5%
No-Load Threshold
30 VA
Measured Values
Active power, apparent power, active energy, apparent energy, power factor, fundamental active energy, fundamental reactive energy
Data & Storage
Consumption History
Minimum 7 days
Data Resolution
1-minute intervals
Data Export
CSV (power quality values), JSON via RPC
Connectivity
Wi-Fi Protocol
802.11 b/g/n (2.4 GHz)
Wi-Fi RF Band
2401–2483 MHz
Max Wi-Fi RF Power
< 20 dBm
Wi-Fi Range
Up to 50 m outdoors, up to 30 m indoors
Bluetooth
4.2
Bluetooth Range
Up to 30 m outdoors, up to 10 m indoors
Environmental
Operating Temperature
−20 °C to 40 °C
Humidity
30–70% RH
Physical
Dimensions
31 × 54 × 42 mm
Connection Type
Screw terminals (63T version)
What’s included
  • Shelly 3EM-63T Gen3
  • Installation documentation

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