1. Introdución
The SONOFF POWR3 series (POWR3, POWR316, POWR316D) are high-power smart switches designed for energy monitoring and remote control of your appliances. With a maximum load capacity of up to 25A/5500W (POWR3) or 16A (POWR316), these devices allow you to turn electronics on or off from anywhere using the eWeLink app, or through voice commands with Amazon Alexa and Google Home Assistant. They also provide detailed historical energy consumption data for up to 100 days, which can be exported for analysis. The POWR3 series integrates overload protection to ensure electrical safety.

2. Información de seguridade
- Asegúrese sempre de que a fonte de alimentación estea desconectada antes da instalación ou mantemento.
- Se non tes ningunha dúbida, a instalación debe realizala un electricista cualificado.
- Do not exceed the maximum load current (25A/5500W for POWR3, 16A for POWR316/POWR316D) to prevent damage and fire hazards.
- Manteña o dispositivo lonxe da auga e de ambientes con alta humidade.
- Asegúrese dunha conexión a terra axeitada segundo as normas eléctricas locais.
3. Produto rematadoview
The SONOFF POWR3 is a compact smart switch designed for DIN rail mounting. It features input and output terminals, a physical ON/OFF button, a Wi-Fi indicator light, and a restart button. The POWR316D and POWR320D models include a digital display for real-time power readings.


4. Especificacións
| Característica | Especificación |
|---|---|
| Modelo | POWR3 (POWR316, POWR316D variants) |
| Máx. Carga | 25A/5500W (POWR3), 16A (POWR316/POWR316D) |
| Entrada | 100-240 V ~ 50/60 Hz 25 A máx |
| Saída | 100-240 V ~ 50/60 Hz 25 A máx |
| Wi-Fi | IEEE 802.11 b / g / n 2.4 GHz |
| Sistemas operativos | Android e iOS |
| Temperatura de traballo | -10 °C ~ 40 °C |
| Material | PC V0 |
| Dimensións | 162 x 122 x 45.5 mm |
| Batería incluída | Si |
| Comunicación sen fíos | Yes (WiFi, Zigbee for some variants) |
| Estado da Asemblea | Listo para ir |

5. Instalación
The SONOFF POWR3 is designed for easy installation within your electrical system, typically on a DIN rail. Ensure all power is off before proceeding.
Esquema de cableado 5.1
Connect the POWR3 according to the provided wiring diagram. It is crucial to connect the POWR3 to the back of the air switch, not directly to the grid, for proper functionality and safety.

5.2 Montaxe física
Mount the POWR3 onto a standard 35mm DIN rail within your electrical panel. Ensure secure connections for all wires.
6. Configuración e emparellamento da aplicación
To utilize the smart features of your SONOFF POWR3, you need to set it up with the eWeLink app.
- Descarga a aplicación eWeLink: Download and install the eWeLink app from your smartphone's app store (available for Android and iOS).
- Encendido: After wiring, power on the SONOFF POWR3. The Wi-Fi indicator light should start blinking, indicating it's in pairing mode.
- Emparejamento rápido: Open the eWeLink app, tap the '+' icon to add a device, and select "Quick Pairing" to connect your POWR3. Follow the on-screen instructions to complete the pairing process.

7. Funcionamento
7.1 Remote ON/OFF Control
Once paired, you can remotely turn your connected appliances on or off from anywhere using the eWeLink app. This feature helps ensure safety and save on electricity bills, especially when you are away from home.

7.2 Power Metering and Energy Monitoring
The POWR3 is capable of acting as a smart meter, measuring active power, current, and voltage of your appliances. It tracks and stores historical energy consumption data for up to 100 days, which can be exported as a CSV file from the eWeLink app.


7.3 Programación e temporizadores
Set schedules and timers within the eWeLink app to automatically turn devices on or off at specific times, optimizing energy usage and convenience.
7.4 Integración do control por voz
The POWR3 is compatible with Amazon Alexa, Google Home Assistant, SmartThings, and Alice. Link your eWeLink account to these platforms and use voice commands to control your devices.

7.5 Home Assistant Integration
Multiple POWR3 devices can be centrally controlled, and their metadata and power consumption data can be displayed on Home Assistant (Hass) through the eWeLink add-on.

8. Advanced Features (eWeLink Advanced Plan)
The eWeLink Advanced Plan unlocks additional functionalities for your SONOFF devices, including:
- eWeLink Web: Cross-platform control and data visualization from a web navegador.
- Integración IFTTT: Connect with IFTTT for enhanced automation possibilities.
- Rexistros históricos: Access and download more extensive historical data.
- Maior capacidade: Share SONOFF devices with over 100 users.
- Camera App/Gateway: Convert old phones into IP cameras or view local camera video.
- Atallos de teclado: Activate scenes with keyboard shortcuts.

9. Mantemento
- Comprobe regularmente as conexións do cableado para comprobar se están ben apertadas e se presentan signos de desgaste.
- Manteña o dispositivo limpo e libre de po. Use un pano seco para limpar.
- Asegúrese de que haxa unha ventilación axeitada arredor do dispositivo para evitar o sobrequecemento.
10 Solución de problemas
10.1 Protección contra sobrecarga
The POWR3 features built-in overload protection. If an abnormality in voltage, current, or power of loads is detected, the power will be automatically cut off to prevent device damage and danger. Check the connected appliance and reset the POWR3 if an overload occurs.

10.2 Dispositivo sen emparellamento
- Asegúrate de que a túa rede wifi sexa de 2.4 GHz. O dispositivo non admite wifi de 5 GHz.
- Check if the Wi-Fi indicator light is blinking rapidly, indicating pairing mode. If not, press and hold the restart button until it blinks.
- Ensure your smartphone is connected to the same 2.4GHz Wi-Fi network during pairing.
- Achega o dispositivo ao teu enrutador Wi-Fi.
10.3 Problemas co control remoto
- Verify your internet connection and the device's Wi-Fi connection.
- Check if the eWeLink app is updated to the latest version.
- Ensure the device is not offline in the eWeLink app.
11. Consellos de usuario
- For accurate energy monitoring, ensure the POWR3 is correctly installed and calibrated if necessary.
- Utilize the scheduling feature to automate high-power appliances during off-peak hours to save on electricity costs.
- Regularmente review your energy consumption data in the eWeLink app to identify energy-hungry devices and optimize usage.
- Consider using the eWeLink Advanced Plan for more comprehensive data analysis and smart home integrations.
12. Garantía e soporte
Para obter información sobre a garantía e asistencia técnica, consulte a páxina oficial de SONOFF. websitio web ou póñase en contacto co seu vendedor. Garde o recibo da compra como proba de compra.





