Description
Sonoff POW-CT Smart CT Clamp
Take full control of your electricity consumption with the Sonoff POW-CT Smart CT Clamp. This innovative device allows you to accurately monitor the power usage of your entire home, a specific circuit, or a heavy-duty appliance directly from your smartphone. Its smart features make it an essential tool for anyone looking to reduce their energy bills, manage power effectively during load shedding, or optimize their solar power system.
Safe & Simple Installation
The POW-CT features a split-core current transformer (CT), which means you can install it without disconnecting or touching any live wires. Simply clamp the sensor around the live wire you want to measure. This non-invasive design makes installation quick, easy, and incredibly safe for both DIY enthusiasts and professional electricians.
Optimize Your Solar Power System
More than just a consumption monitor, the POW-CT is a powerful tool for solar panel owners. It tracks bidirectional power flow, allowing you to see exactly how much energy your solar system is exporting back to the grid. This vital data helps you maximize your self-consumption, reduce energy waste, and improve the return on investment from your solar setup.
Data-Driven Energy Insights
Knowledge is power. The POW-CT records and stores up to 6 months of historical power data on an hourly basis. This information can be easily exported, allowing you to analyze your consumption patterns, identify energy-wasting appliances, and make informed decisions to lower your electricity costs.
Advanced Load Control
Equipped with a 2A dry contact relay, the POW-CT can be connected to an external contactor (sold separately) to switch large electrical loads. This is perfect for intelligently managing high-consumption devices like geysers, pool pumps, or industrial equipment, allowing you to automate their operation based on consumption data or schedules.
Product Specifications
- Model: POWCT
- Input/Output: 100-240V~50/60Hz
- Max Power Consumption: 2W
- Transformer Interface Type: RJ9
- Transformer Current Detection Range: 0-100A
- Dry Contact Relay: 2A
- Wireless Connectivity: Wi-Fi IEEE 802.11 b/g/n 2.4GHz
- Antenna Interface: SMA
- Casing Material: PC (Polycarbonate)
- Color: White
- Measurement Category: CAT II (Up to 300V relative to GND)
- Maximum Wire Diameter for CT Sensor: 15mm
- Working Temperature: -40℃ to +50℃
- Working Humidity: 5% to 95% RH, non-condensing
- Compliance: CE/FCC/RoHS/NRCS(ZA)/ICASA(ZA)






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