Description
The SONOFF POWR3 is a powerful 25A smart switch designed to give you full control over high-power appliances and electrical systems. With advanced real-time energy monitoring, it allows you to track power consumption, optimize efficiency, and prevent potential overloads. Perfect for heavy-duty appliances such as water heaters, HVAC systems, and industrial equipment, the POWR3 provides reliable remote control through the eWeLink app. Its robust design ensures safe and stable operation under high loads, while scheduling, automation, and integration with smart home ecosystems allow you to create intelligent routines that enhance convenience, energy savings, and overall system protection. Lightweight and easy to install, the POWR3 is ideal for both home and professional applications requiring high-power smart control.
Key Features
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High Power Capacity – Up to 25A / 5500W
Ideal for high-load appliances such as water heaters, air conditioners, pumps, and industrial equipment.
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Real-Time Power Monitoring
Track voltage, current, active power, and total energy consumption directly via the eWeLink app.
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Energy History & Usage Reports
View hourly, daily, and monthly energy data to better manage electricity costs.
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Overload Protection
Automatically switches off if the connected device exceeds preset power, voltage, or current limits.
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Remote Control Anytime, Anywhere
Turn connected appliances on or off through your smartphone using the eWeLink app.
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Voice Assistant Support
Works seamlessly with Amazon Alexa and Google Assistant for hands-free voice control.
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DIN Rail Mounting Option
Easy to install in distribution boxes or electrical panels for clean and professional setups.
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Strong and Safe Build
Flame-retardant PC V0 housing for durability and electrical safety.
Technical Specifications
| Specification |
Details |
| Model |
SONOFF POWR3 |
| Input Voltage |
100–240 V AC, 50/60 Hz |
| Maximum Load |
25A / 5500W |
| Wireless Protocol |
Wi-Fi 2.4 GHz (IEEE 802.11 b/g/n) |
| Energy Monitoring |
Voltage / Current / Power / kWh |
| Display |
App-based power monitoring (no LCD) |
| Protection Features |
Overload / Over-voltage / Over-current |
| App Support |
eWeLink (iOS & Android) |
| Voice Control |
Amazon Alexa / Google Assistant |
| Installation |
DIN rail mountable / surface mounting |
| Material |
Flame-retardant PC V0 |
| Dimensions (Approx.) |
162 × 122 × 45 mm |
Why It’s a Great Choice
The SONOFF POWR3 is designed for users who need powerful smart control with reliable energy tracking. Whether for homes, workshops, or small businesses, it delivers accuracy, safety, and smart automation for high-consuming devices.