Sonoff TH Elite 20A: Smart Temperature & Humidity Monitoring with High-Power Control
The Sonoff TH Elite 20A is a professional-grade smart switch designed for real-time environmental monitoring and high-load device control. With support for temperature, humidity, and soil moisture sensors, this device is ideal for smart homes, greenhouses, server rooms, and industrial automation setups. Whether you’re managing climate-sensitive equipment or automating irrigation systems, the TH Elite 20A delivers precision, protection, and powerful integration.
What Can the Sonoff TH Elite 20A Do?
- Monitor Temperature, Humidity & Soil Moisture
Connect compatible sensors to track environmental conditions in real time. - Control High-Power Appliances
Supports up to 20A / 4400W, making it suitable for HVAC systems, heaters, pumps, and more. - Automate Based on Sensor Data
Create smart scenes that trigger actions based on temperature, humidity, or soil moisture thresholds. - Remote & Voice Control
Manage devices via the eWeLink app or hands-free using Amazon Alexa and Google Assistant. - Data Logging & Export
View historical sensor data and export it for analysis or reporting. - Smart Scheduling
Set timers, inching mode, and power-on state memory for automated energy management.
Compatible Sensor Modules
The TH Elite 20A supports plug-and-play sensor modules for versatile environmental monitoring:
| Sensor Module | Measurement Type | Model |
|---|---|---|
| THS01 | Temperature & Humidity | RJ9 connector |
| DS18B20 | Temperature (Waterproof) | RJ9 connector |
| MS01 | Soil Moisture | RJ9 connector |
These sensors connect via the RJ9 4P4C interface, ensuring stable communication and easy installation.
Technical Specifications
| Specification | Details |
|---|---|
| Model | THR320D |
| Input Voltage | 100–240V AC, 50/60Hz |
| Max Load | 20A / 4400W |
| Wireless Protocol | WiFi 802.11 b/g/n (2.4GHz) |
| Sensor Interface | RJ9 (4P4C) |
| Display | LCD screen (real-time metrics) |
| Dimensions | 98 × 54 × 31 mm |
| App Support | eWeLink (iOS/Android) |
| Voice Control | Alexa, Google Assistant |
| Certifications | TÜV, CE, FCC, RoHS |
Ideal Use Cases
- Greenhouse Automation
Monitor temperature, humidity, and soil moisture to optimize plant growth and irrigation. - Server Room Monitoring
Automate cooling systems based on real-time temperature data. - Home Climate Control
Manage heaters, fans, or air conditioners with sensor-triggered automation. - Industrial Equipment Management
Protect machinery and optimize energy usage with smart scheduling and overload protection.
Why Choose Sonoff TH Elite 20A?
With its robust 20A capacity, sensor compatibility, and full smart home integration, the Sonoff TH Elite 20A is a powerful tool for intelligent environmental control. Whether you’re automating a greenhouse, managing industrial systems, or optimizing home energy use, this device offers the flexibility, reliability, and insight needed to take control of your environment.
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