Shelly 3EM-63 Gen3 is a compact energy meter with flat terminals designed to monitor either a three-phase system or three independent single-phase circuits. It seamlessly integrates into smart home systems or professional setups, providing accurate, real-time data to optimize energy efficiency.
- Version with flat terminals
- Wi-Fi 3-Phase Energy Meter with Wi-Fi, Bluetooth
- 3-phase current transformer (CT) that is designed to be mounted directly to a circuit breaker
- Can measure each phase up to 63A
- Optical pulse indication of energy usage
- Photovoltaic ready
- Measurement accuracy tо 1%
- Supports KNXnet / IP communication
Shelly 3EM-63T - 3 Phases Power Measurement
Shelly 3EM-63 Gen3T - Compact, versatile and ready to install anywhere
Shelly The 3EM-63T Gen3 is a small flat-terminal energy meter designed to monitor a three-phase system or three separate single-phase circuits. It easily integrates into smart homes or professional installations and delivers reliable, instant data to improve energy efficiency.
3EM-63 Gen3T - Multiple connection types
This device provides precise four-quadrant measurement for detailed energy consumption monitoring in both three-phase and single-phase circuits. Thanks to its customizable configuration, you can use it independently via Wi-Fi or connect it to popular automation systems. Its compact design simplifies installation. In addition, it is ready for future technologies - it allows monitoring of photovoltaic systems, thus tracking both solar production and consumption from the grid.
- Version with flat terminals
- Control via Wi-Fi, Bluetooth support
- Connect the device to a Wi-Fi network without the need for a HUB!
- Flexible installation
- Easy mounting on a DIN rail.
- Measurement of energy consumption
- Monitoring of voltage, current, power factor, active and apparent power and energy.
- Four quadrant measurement
- Various connection types: three-phase or single-phase installations
- Contactless current measurement via current transformers
- Phase sequence error detection (optional)
- No-load threshold
- Optical indication of energy consumption
- Real-time: data retains correct time stamps even in the event of an internet outage.
- Data logging: up to 7 days of data retention on the device
- Class B accuracy (IEC 62053-21)
- Photovoltaic support
Technical parameters
- Dimensions (HxWxD): 21x54x42 mm (Shelly 3EM-63W Gen3, without cables), 31x54x42 mm (Shelly 3EM-63T Gen3, without cable)
- Cable length: 260 mm (including flat terminal)
- Weight: 58 g (Shelly 3EM-63W Gen3, including cables), 52 g (Shelly 3EM-63T Gen3, including cable)
- Conductor diameter: max. Ø 8 mm
- Mounting: Above or below circuit breakers on DIN rail
- Case material and color: Plastic, white
- Operating temperature: -20 °C to 40 °C
- Humidity: 30% to 70% RH
- Maximum altitude: 2000 m
- Power supply: 220-240 V~ 50/60 Hz (between LA and N)
- Power consumption: < 2 W
- External protection: 63 A, characteristic B or C, breaking capacity 6 kA
- Internal temperature sensor: Yes
- Voltmeter (RMS for each phase): 220-240 V~ 50/60 Hz
- Voltmeter accuracy: better than ±1%
- Ammeter (RMS via integrated CT for each phase): 0 - 63 A (130 A saturation)
- Ammeter accuracy: ±1% (2 - 63 A), ±2% (1 - 2 A), ±5% (0 - 1 A)
- Power and energy measurement: Active and apparent power, power factor, fundamental active and reactive energy
- No-load threshold: 30 VA
- Measurement data storage: Minimum 7 days with 1 minute resolution
- Data export: CSV for PQ values, JSON export via RPC
- Radio: Wi-Fi
- Protocol: 802.11 b/g/n
- Bluetooth Protocol: 4.2
- Signal range: Up to 30 m indoors, 50 m outdoors
- Microcontroller: ESP-Shelly-C38F
- Flash: 8 MB
- MQTT support: Yes
