SONOFF POWR3 High Power Smart Switch for AC

High Power Smart Switch Sonoff POWR3 is made for appliances like HVAC systems, water heaters, and power tools. With support for up to 25 A and 5500 W, it helps automate high-load devices with ease. This smart switch gives you real-time power monitoring and strong built-in safety in one compact form.

You can connect the POWR3 over 2.4 GHz Wi-Fi and use it with the eWeLink app. It lets you view live voltage, current, and power usage. In addition, you can check past power history to track and manage energy use more effectively. If the device detects an overload or power surge, it shuts off output instantly, protecting your connected appliances from damage.

It also works with voice assistants like Alexa, Google Assistant, and SmartThings. This allows you to control appliances with simple voice commands, which adds both comfort and accessibility. Instead of using a phone or physical switch, just speak to activate your devices.

With the eWeLink app, you can also turn appliances on or off from anywhere. Whether you’re at home or away, control stays in your hands. As a result, you can lower electricity bills, boost safety, and reduce the chance of overheating high-power loads.

Built using flame-retardant PC V0 material, the POWR3 meets CE and FCC standards for safety and quality. It supports input and output between 100–240 V AC, making it suitable for most electrical systems. Its compact design, measuring 162 × 122 × 45.5 mm and weighing just 528 g, fits easily in panels or tight spaces.

The Sonoff POWR3 is the ultimate High Power Smart Switch for modern homes and workspaces. It combines smart control, voice support, live monitoring, and automatic protection in one powerful device—ideal for users who demand both performance and safety.

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