The POWR3 is the "muscle" of the SONOFF family. If you’ve ever wanted to make your water heater, AC, or pool pump smart—but were worried they were too powerful for a standard switch—this is your solution. It combines massive power capacity with a "smart meter" to put you in total control of your energy bills.
Handles the "Big Stuff": With a huge 25A / 5500W capacity, it’s built for the heavy hitters. You can even use it as a master switch for an entire room’s circuit.
See Where Your Money Goes: No more shock when the electricity bill arrives. Open the eWeLink app to see exactly how much current and voltage your appliances are pulling in real-time.
Your Personal Bodyguard: Safety isn't an afterthought. If the POWR3 senses a power surge or any electrical weirdness, it instantly cuts the power to save your expensive appliances from frying.
Remote Kill-Switch: Did you leave the heater on? Don't stress. One tap on your phone from anywhere in the world shuts it down, keeping your home safe and your bills low.
"Hey Google, Turn off the Boiler": It plays nice with Alexa, Google Assistant, and SmartThings. Control your high-power gear with just your voice.
The Power: Max 25A (5500W).
Best Uses: Electric water heaters, large AC units, pool pumps, or monitoring a whole room.
Setup: Connects directly to your 2.4GHz Wi-Fi (No hub needed!).
The POWR3 is the powerhouse of the SONOFF family. Designed for heavy-duty appliances, it combines high-capacity switching with precision energy monitoring to give you total control over your home’s power usage
Massive 25A / 5500W Output: Built to handle the big stuff. Whether it’s a water heater, a pool pump, or even an entire room’s circuit, the POWR3 can make your most power-hungry devices smart.
Real-Time Energy Tracking: Stop guessing what your electricity bill will be. Track the active power, current, and voltage of your appliances directly through the eWeLink app to see exactly where your energy is going.
Smart Overload Protection: Safety first. If the device detects any electrical abnormality or a power surge, it will automatically cut the power to prevent damage to your appliances and protect your home from electrical hazards.
Remote Control from Anywhere: Forget to turn off the heater? No problem. With a single tap on your phone, you can cut the power from anywhere in the world, ensuring safety and eliminating “hidden” electricity costs from idle devices.
Hands-Free Voice Control: Fully compatible with Amazon Alexa, Google Assistant, SmartThings, and Alice. Just say the word to turn your high-powered equipment on or off without lifting a finger.
Max Load: 25A (5500W).
Best For: Water heaters, large appliances, or monitoring power for a specific room.
Connectivity: Wi-Fi 2.4GHz
