Smart WiFi relay Sonoff POWR3, 25A, with energy consumption monitoring

Sonoff POWR3 smart WiFi relay – 25A / 5500W with energy monitoring
High power. Total control. Complete safety.

Turn energy control into a smart experience with Sonoff POWR3, a high-performance Wi-Fi relay, ideal for automating and monitoring electricity consumption in homes and commercial spaces. With an impressive capacity of 25A / 5500W, this relay is the perfect solution for smart management of large appliances or entire circuits.

High power, complete control
With a maximum load of 25A, POWR3 can easily control and monitor large household appliances or the entire electrical circuit of a room. Perfect for water heaters, air conditioning, washing machines, heaters or complex lighting systems.

Real-time energy monitoring
Measures voltage, current and power in real time
Detailed consumption history, kept for up to 100 days
Data export in CSV format, directly to your phone

Smart control via the eWeLink app
Control it from anywhere, at any time – directly from your phone:
Remote on/off
Automatic scheduling
Consumption or overload alerts
Sharing with other family members

Built-in voice control
Compatible with:
• Amazon Alexa
• Google Assistant
• Samsung SmartThings
• Yandex Alice
• Alexa Energy Dashboard – for tracking and optimising consumption

Smart overload protection
The relay automatically cuts the power in the event of excessive voltage or current, preventing risks and faults. Ideal for safe and durable homes.

Relay with normally closed (NC) contact
Ensures circuit continuity in the event of power cuts or switch failure. You can set the power-on behaviour directly from the app.

Technical specifications:
• Supply voltage: 100–240V AC, 50/60Hz
• Maximum load: 25A / 5500W
• Connectivity: Wi-Fi 2.4GHz (IEEE 802.11 b/g/n)
• MCU: ESP8266
• Compatibility: Android, iOS
• Dimensions: 162 x 122 x 45,5 mm
• Casing material: PC V0 flame-retardant
• Operating temperature: -10°C to +40°C
• Certifications: CE, FCC, RoHS

Recommended for:
• Automating large circuits
• Accurate metering of electricity consumption
• Protecting the circuit from overload
• Remote control in homes and commercial spaces

Sonoff POWR3 – power and safety meet smart technology for a truly efficient home!

Practical use cases

• Installed on the circuit of an air conditioner or a water heater, it monitors energy consumption in real time and sends alerts on abnormal values.
• Used to identify the appliances that use the most electricity in the home and reduce the energy bill.
• Integrated into an automation that automatically switches off an appliance if it exceeds a consumption threshold, preventing faults.

Technical specifications: