Have you ever wished for a smarter way to track and control your home’s energy usage? Are you tired of being in the dark about where your power is going and how to make meaningful changes? If so, it’s time to discover the game-changing solution you’ve been waiting for. With SONOFF POW Ring Smart Power Meter, you’ll unlock a whole new level of insight and control over your energy consumption. Are you ready to take the first step towards a more efficient and sustainable future? Let’s explore!

Enhanced Current Detection

Equipped with a split-core current transformer clamp, POWCT ensures accurate detection of currents up to 100A. Bid farewell to the hazards of electric shock, thanks to the non-contact design. Simply toggle the latches to effortlessly open or close the CT sensor, ensuring both safety and performance are never compromised.

Real-Time Energy Monitoring

Stay informed about your home’s power usage, no matter where you are! SONOFF POWCT allows you to monitor appliance usage in real-time, directly from your smartphone. Whether you’re at home or on the go, you have access to vital energy consumption data from the App whenever you need it.

Comprehensive Historical Data

Delve deep into your energy usage patterns with ease! With this device, you can access historical data for the last 6 months. Analyze your consumption trends by year, month, or day, empowering you to make informed decisions about your energy usage. Plus, with the ability to download this data, you can take proactive steps towards better energy management and efficiency.

Support Contactor Control

Take charge of your power load effortlessly! SONOFF POWCT features a built-in relay rated at 2A, enabling on/off control of the load when used in conjunction with a contactor. Whether you’re remotely managing your devices or scheduling their operation, this device ensures smooth and efficient power control, putting you in command of your energy usage.

Overload Protection

SONOFF POW Ring Smart Power Meter comes equipped with overload protection functionality, ensuring the safety and longevity of your connected devices. With customizable settings for voltage, current, and power thresholds, this device automatically shuts off the connected device when any of these conditions are met, preventing potential damage from excessive electrical load. With this device, you can rest assured that your devices are protected against overloads, ensuring both safety and reliability in your smart home ecosystem.

Explore Smart Scene

With SONOFF POW Ring Smart Power Meter, you can set customized schedules to control your devices automatically. Say goodbye to worrying about leaving appliances on all day – simply schedule the coffee maker to turn off after your morning brew or set the lights to switch off when everyone’s left the house. Plus, with the energy consumption threshold feature, you can rest assured that devices will automatically shut off once they reach your specified power usage limit. Whether it’s managing your energy usage during peak hours or ensuring safety when you’re away, POWCT gives you the power to control your home’s energy consumption with ease and peace of mind.

Wiring Diagram


Compared with our previous POW series products, their differences are as follows, you can choose according to your needs.