Description
The SONOFF POWCT 100A is a professional clamp-on current transformer designed for accurate and safe smart energy monitoring in homes, offices, and industrial environments. Capable of measuring current up to 100A, it enables detailed tracking of electricity usage without direct contact with live wires, ensuring easy installation and enhanced safety. The POWCT 100A works seamlessly with SONOFF POW R2, SPM-Main, and the eWeLink app, allowing real-time monitoring, overload detection, and detailed energy analysis. By providing precise consumption data, it helps users optimize energy usage, prevent electrical issues, and improve overall efficiency. Durable, reliable, and suitable for high-load systems, the POWCT 100A is an essential component for professional-grade smart energy management.
Key Features
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Accurate Current Monitoring
Measures AC current up to 100A, allowing precise energy tracking.
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Compatible with SONOFF Devices
Works with SONOFF POW R2, SPM-Main, or similar eWeLink-compatible modules for real-time monitoring.
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Remote Monitoring via eWeLink App
Track electricity usage and device performance remotely through your smartphone (iOS & Android).
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Overload Detection & Alerts
Protects connected devices by sending alerts when current exceeds safe limits.
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Easy Installation
Simply clamp around a wire — no rewiring required. Compact and safe.
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Smart Automation Support
Integrates with eWeLink scenes, schedules, and automation rules to control connected devices based on current usage.
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Ideal for Homes & Commercial Use
Suitable for energy monitoring of lighting circuits, appliances, pumps, and industrial equipment.
Technical Specifications
| Specification |
Details |
| Model |
SONOFF POWCT 100A |
| Measurement Type |
AC Current Clamp (Current Transformer) |
| Max Current |
100A |
| Operating Voltage |
Compatible with 100–240V AC circuits |
| App Support |
eWeLink (iOS / Android) |
| Integration |
SONOFF POW R2, SPM-Main, eWeLink scenes |
| Installation |
Clamp-on wire (No rewiring required) |
| Operating Temperature |
-10°C to +50°C |
| Dimensions |
90 × 56 × 23 mm |
| Material |
Flame-retardant PC |
Why Choose SONOFF POWCT 100A?
Monitor AC current up to 100A accurately
Integrates with SONOFF smart devices and eWeLink app
Detect overloads and receive alerts for safe operation
Easy clamp-on installation, no rewiring required
Idel for homes, offices, industrial circuits, and energy management projects
