Shelly 3EM-63T Gen3 – Wi-Fi Three-Phase Energy Meter with Terminal Connections
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
Use Cases
What’s Included
Technical Specifications
Power
Power Consumption: < 2 W
Measurement
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
Data Resolution: 1-minute intervals
Data Export: CSV (power quality values), JSON via RPC
Connectivity
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
Humidity: 30–70% RH
Physical
Connection Type: Screw terminals (63T version)