Sonoff TH Elite 20A WiFi Temperature and Humidity Smart Switch - White
SKU: SNFSWITH320D1W01NEW
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Product Information
The TH Elite 20A is a WiFi temperature and humidity monitoring switch with an LCD display, sensor input and high-current switching for compatible mains loads. Pair it with a supported SONOFF sensor to automate equipment according to temperature or humidity while keeping records in the eWeLink app.
Product Features
- 20A mains switching capacity, up to 4400W at 220V for suitable resistive loads.
- Built-in LCD displays live sensor readings and operating status.
- RJ9 sensor port supports SONOFF THS01, DS18B20 and MS01 sensors.
- Compatible sensor is sold separately.
- Automatic control can switch connected equipment according to temperature or humidity thresholds.
- Stores up to 6 months of temperature and humidity history in the eWeLink app.
- Includes a separate dry-contact output rated 5-30V DC, 1A max.
- 2.4GHz WiFi connectivity with eWeLink app control.
- DIN-rail friendly form factor for control-panel installations.
- ESP32-based controller.
- Voice Control - Alexa, Google Assistant
- Sensor sold separately. Compatible with THS01, DS18B20 and MS01 sensors.
- 1 Year Manufacturer Warranty
Suggested / Optional Accessories
- Sonoff THS01 temperature and humidity sensor
- Sonoff DS18B20 waterproof temperature probe
- Sonoff MS01 soil moisture sensor
- Sonoff RL560 RJ9 extension cable
Application
- Controlling heaters or cooling equipment according to temperature.
- Humidity-controlled extractor fans or dehumidifiers.
- Greenhouse and grow-area monitoring with a compatible sensor.
- Water-temperature monitoring with a compatible DS18B20 probe.
- Soil-moisture based control with a compatible MS01 sensor.
Safety Features
- Switch off the electricity supply before installation and have mains wiring completed by a suitably qualified electrician.
- Requires neutral wire and mains wiring.
Frequently Asked Questions
-
Is a temperature or humidity sensor included?
No. A compatible SONOFF sensor is required and is sold separately. -
Which sensors are compatible?
The TH Elite supports SONOFF THS01, DS18B20 and MS01 sensors through its RJ9 sensor port. -
What is the maximum switched load?
The 20A model supports up to 20A, or 4400W at 220V, for suitable resistive mains loads. -
What is the dry-contact output rated for?
The separate dry-contact output is rated for 5-30V DC at up to 1A. -
Does it need a smart-home hub?
No. It connects directly to a 2.4GHz WiFi network and is controlled through eWeLink.
Technical Specifications
| Colour: | White |
| Material: | Flame-retardant PC V0 |
| Mounting Type: | DIN rail (standard 35 mm) |
| Connectivity: | 2.4 GHz 802.11 b/g/n |
| Wireless Security: | WPA/WPA2 |
| Sensor Port: | RJ9 (sensor sold separately) |
| Compatible Sensors: | THS01 | DS18B20 | MS01 |
| Temperature Measuring Range: | Depends on connected sensor |
| Humidity Measuring Range: | Depends on connected sensor |
| Display: | Built-in LCD (temp/humidity/moisture) |
| Usage History: | Up to 6 months |
| Voice Control: | Amazon Alexa | Google Assistant |
| Compatible Platforms: | eWeLink add-on | SonoffLAN | Tasmota | ESPHome |
| Chip: | ESP32 |
| Relay Rating: | 5-30V DC, 1A max dry-contact output |
| Relay Output: | Dry contact 5-30V DC, 1A max |
| Load (MAX.): | 20A / 4400W @ 220V AC |
| Input Voltage: | 100-240V AC |
| Frequency: | 50/60Hz |
| Size: | 98 x 54 x 31mm |
| Operating Temperature: | -10°C to 40°C |
| Operating Humidity: | 5%-95% RH, non-condensing |
| Certifications: | TÜV | CE | UKCA | WWA | FCC | RoHS | SRRC |