- Can it be installed on the main house electrical panel?
- The Sonoff POWCT Ring Smart Power Meter is designed to be installed on the main house electrical panel. It allows for monitoring and managing power usage directly from your main electrical system.
- If youâre considering installing the Sonoff POWCT Ring Smart Power Meter outside, we also offer the Sonoff Waterproof Box R2, which is compatible and provides protection for outdoor installations.
- Should the clamp be installed on the incoming live wire connected to the main breaker, or on the wire coming out of the main breaker to the individual breakers?
The clamp should be installed on the incoming live wire that connects to the main breaker. This allows it to measure the total current flowing into the entire electrical panel. Installing it on the wire coming out of the main breaker to the individual breakers would only measure the current for specific circuits, not the total usage.
- What is the maximum amperage load it can handle?
The Sonoff POWCT Ring Smart Power Meter can handle a maximum amperage load of 100 amps. This allows it to monitor high-current appliances and systems effectively.
- How do I determine the correct direction for installing the ring to ensure proper operation?
- Identify the Incoming Live Wire: The ring should be installed around the incoming live wire that carries current into the electrical panel. This is usually the wire coming from the main breaker.
- Direction of Current Flow: Ensure the ring is oriented in the direction of current flow. The meter should measure the current as it flows through the wire into the panel.
- Consult the Installation Manual: Check the installation manual for specific instructions on the orientation of the ring. It often includes diagrams to help with proper installation.
- Verify with a Multimeter: If unsure, you can use a multimeter to confirm the direction of current flow and ensure the ring is installed correctly.
Sonoff POWCT Ring Smart Power Meter
32 $ with Free Delivery đ
This product can be used to check your circuit breaker's power consumption from an app
This product can be used to check your circuit breaker's power consumption from an app
Free DELIVERY – cash on deliveryÂ
Product Information
Sonoff POWCT | Ring Smart Power Meter
Benefits:
- Split Core Current Transformer Clamp:Â Transformer current detection up to 100 A. No physical contact with live wires, eliminating the risk of electric shock. Just release or close the latches on the side of the sensor to open and close the CT sensor.
- Energy Monitor:Â Install in the electrical circuit panel of your home to monitor the power consumption of household appliances or rooms.
- 6-month Historical Data Hold:Â Automatically save your electricity usage data when you remove appliances or have a power outage. The data can be saved for up to 6 months and exported to a file for viewing.
- Support Contactor Control:Â POWCT has a dry contact relay with a rated current output of 2A which is used with a contactor to realize switching control of the load.
- Safe & Reliable:Â Go through various rigorous tests, including lightning and surge tests, short circuit tests, drop tests, salt spray tests, tests in extremely harsh environments, etc. Products you can 100% trust.
Product Information
Sonoff POWCT | Ring Smart Power Meter
Benefits:
- Split Core Current Transformer Clamp:Â Transformer current detection up to 100 A. No physical contact with live wires, eliminating the risk of electric shock. Just release or close the latches on the side of the sensor to open and close the CT sensor.
- Energy Monitor:Â Install in the electrical circuit panel of your home to monitor the power consumption of household appliances or rooms.
- 6-month Historical Data Hold:Â Automatically save your electricity usage data when you remove appliances or have a power outage. The data can be saved for up to 6 months and exported to a file for viewing.
- Support Contactor Control:Â POWCT has a dry contact relay with a rated current output of 2A which is used with a contactor to realize switching control of the load.
- Safe & Reliable:Â Go through various rigorous tests, including lightning and surge tests, short circuit tests, drop tests, salt spray tests, tests in extremely harsh environments, etc. Products you can 100% trust.
Specifications
What's included
- Smart power meter.
- Current transformer clamp (cable length: 100cm).
- Antenna (cable length: 30cm).
- Silicone seal ring.
- Screws x2.
- Mounting base.
Delivery, Returns & Warranty
Delivery
Enjoy free delivery across Lebanon on orders over $30. We also offer pickup and same-day delivery options. For more details, visit our delivery information page.
Returns
We provide a 15-day return window for all orders, subject to certain exclusions. Please note that cash refunds are not available. For complete details, visit our return policy page.
Warranty
Our products are warranted to be free from manufacturing defects. If a product sold by us is found to be defective, we will, at our discretion, repair or replace it with a new one. Certain exclusions apply. For full details, please review our warranty policy page.
Is this a gift or surprise? Please choose a gift-wrapping option on the checkout page if you wish to add extra gift-wrapping. Extra costs may apply.
Download Specs & Manual


Sonoff POWCT Ring Smart Power Meter
Sonoff POWCT is a Wi-Fi product that combines smart switch modification, antenna, and current transformer.
Solar Panel Power Consumption
Effortlessly monitor solar panel power consumption and track generated power with ease. The POWCT features a relay with a rated current output of 2A, enabling switching control of the load when used with a contactor.
6 months History
Automatically save your electricity usage data when you remove appliances or have a power outage. The data can be saved for up to 6 months and exported to a file for viewing.
