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Shelly 3EM-63W Gen3 is a compact 1/3-channel electricity meter designed to monitor three-phase installations or three independent single-phase circuits. It is equipped with strong cables and is very easy to install. This small device is ideal for houses, apartments, businesses and photovoltaic installations - wherever precise control of energy consumption is important.
Versatility of use - one module, many options Shelly 3EM-63W Gen3 is a solution for everyone - whether you want to monitor energy consumption in the home, assign consumption to specific departments in the company or supervise energy production from photovoltaic panels. The device supports both three-phase installations and three independent single-phase lines, so it fits almost any configuration. In addition, thanks to four-quadrant measurement, the meter records both consumed and delivered energy, which is useful for photovoltaic and hybrid systems, for example.
Intuitive operation, extensive integration The module connects to the network via Wi-Fi and Bluetooth - without the need for an external gateway. It can be managed from the Shelly Smart Control application, the web interface or via MQTT, HTTP and WebSocket protocols. All incoming connections are protected by TLS encryption. The data can be exported in CSV or JSON format.
Monitoring and analysis without interruption The Shelly 3EM-63W Gen3 offers voltage, current, active and apparent power, power factor and energy measurements - with accuracy corresponding to class B (IEC 62053-21). The built-in clock maintains the correct time even when internet access is lost. Measurement data is recorded locally at 1 minute intervals and stored for at least 7 days, so you have access to your consumption history even if you are temporarily not connected to the cloud.
Automation and security The Shelly 3EM-63W Gen3 allows you to create schedules (up to 20) and configure web hooks (up to 20, each with up to 5 URLs). In addition, local automation allows, for example, to respond to immediate energy consumption and trigger specific actions, and the built-in "no-load threshold" prevents energy counting at very low consumption (less than 30 VA per channel).
Ready for energy from the sun The Shelly 3EM-63W Gen3 is also ideal for monitoring photovoltaic systems. It allows simultaneous monitoring of energy production and consumption, which allows you to precisely adapt the operation of the device to the temporary availability of energy from the panels. This makes it easier to reduce grid consumption and optimize self-consumption - for example, operating energy-intensive devices during the time of greatest sunlight.
Clear information and full control The device is equipped with LEDs to indicate the current status (including Wi-Fi connection and OTA updates) and a single button to quickly enter configuration mode or restore factory settings. It also has a built-in temperature sensor. In addition, it is very easy to install.
Shelly Smart Control App The meter works with the Shelly Smart Control app, which allows you to remotely manage your device, view energy consumption, and create schedules and automations. You can also use it to track data, view measurement history, and track energy costs.
Technical parameters:
Dimensions: 21 × 54 × 42 mm (without cables) Cable length: 260 mm Weight. 58 g (with cables) Diameter of conductive hole: 8 mm Mounting: Above or below overcurrent circuit breakers on DIN rail Housing material:: Material: plastic Housing color:: White Operating temperature: From -20 °C to 40 °C Humidity: 30% - 70% RELATIVE HUMIDITY Max. installation 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, short-circuit current 6 kA, energy limitation class 3 Internal temperature sensor: Yes Voltmeters (RMS for each phase): 220-240 V~ 50/60 Hz Voltmeter accuracy: ±1% Ammeters (RMS via integrated current transformer for each phase): 0-63 A (saturation 130 A) Ammeter accuracy: ±1% (2-63 A), ±2% (1-2 A), ±5% (0-1 A) Power and energy meters: Active and apparent power, active and apparent energy, power factor, fundamental active and reactive energy Minimum load threshold: 30 VA Measurement data storage: At least 7 days with 1 min data resolution Data export: CSV for recorded PQ values, JSON via RPC Wi-Fi protocol: 802.11 b/g/n Wi-Fi RF bandwidth: 2401-2483 MHz Maximum Wi-Fi RF signal strength: < 20 dBm Wi-Fi connection range: Up to 30 m indoors / up to 50 m outdoors (depending on local conditions) Bluetooth protocol: 4.2 Bluetooth RF band: 2400-2483.5 MHz Max. Bluetooth RF signal strength: < 4 dBm Bluetooth connection range: Up to 10 m indoor / 30 m outdoor (depending on local conditions) Processor (CPU): ESP-Shelly-C38F Flash memory: 8 MB Plans: Up to 20 Webhooks (shared URLs): Up to 20, up to 5 URLs per webhook Scripts: Yes MQTT: Yes
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