SONOFF POWR3 25A 5500W - Wi-Fi smart switch with power monitoring, White

The SONOFF POWR3 25A 5500W Wi-Fi Smart Switch with Energy Monitoring is a Wi-Fi smart switch for on/off control and energy monitoring of high-power AC appliances. It connects over 2.4 GHz Wi-Fi and supports remote operation through the eWeLink mobile app. The switch reports real-time voltage, current, and power consumption, allowing users to check an appliance’s electrical use alongside its on/off state. It is non-dimmable and is intended for loads such as water heaters and HVAC equipment. Amazon Alexa and Google Assistant are supported for voice control. The maximum rating is 25 A and 5,500 W on 100–240 V AC.

The enclosure is made from PC V0 material, and the product is specified for indoor wired installation. It takes power from the AC mains and uses a wired connection to the load, so no batteries are required. A single channel controls one connected load. The unit measures 162 × 45.5 × 122 mm, which can be checked against the available installation space. Its app-based energy records and scheduling functions provide additional ways to review usage and set automatic operation.

Key Features:

• Up to 100 days of energy history can be retained for review and export.
• Weekly scheduling supports automatic switching at set times.
• Overload and overheat protection can disconnect the load when abnormal conditions are detected.
• Compatibility includes Samsung SmartThings and Yandex Alice, in addition to the voice assistants noted above.
• IEEE 802.11 b/g/n Wi-Fi standards are supported.