Description
TH Origin WiFi Smart Relay (R3) - Sonoff THR320, 230V / 20A, temperature/humidity sensor compatible
TheSonoff THR320 is the new R3 version of the TH Origin series - a WiFi smart relay that enables automated control of electrical equipment based on temperature, humidity or soil moisture. Ideal for heating, ventilation, irrigation and more.
✔️ Remote control via WiFi
Control your relay anytime and from anywhere directly from the eWeLink app, no additional hub required.
🌡️ Smart sensor compatible
You can connect the following sensors (not included):
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THS01 - temperature and humidity sensor (recommended)
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SI7021 / AM2301 - temperature and humidity sensors
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DS18B20 - waterproof temperature sensor
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MS01 - soil moisture sensor
The measured values can be used for automation of connected devices.
🔁 Smart automation
You can set operating modes in the app:
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Manual - switch the device on/off in the app
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Automatic - operates the relay based on temperature, air humidity or soil moisture (only one type of measurement is chosen for automation)
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Push notifications - receive alerts when measured values exceed set thresholds or when the relay changes state
📊 Sensor data history
The eWeLink app saves and graphs up to 6 months of measured data directly to your phone.
⚡ Other useful features
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Real-time status check (on/off)
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Momentary switching (ex: 0.5s / 1s)
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Timer, programme on/off, countdown
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Shared control with other family members
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Group devices by rooms and smart scenes
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Compatibility with Amazon Alexa, Google Assistant, IFTTT and Google Nest
🔧 Easy DIN rail mounting
Includes adapter for DIN rail mounting in electrical panel.
Connectivity
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2.4 GHz WiFi network
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Quick add in app via Bluetooth
Technical Specifications:
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Model: THR320
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Supply voltage: 100-240V AC, 50/60Hz
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Maximum current: 20A
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Connectivity: WiFi 2.4 GHz (IEEE 802.11 b/g/n)
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Sensor connector: RJ9 (new in R3 version)
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Dimensions: 98 x 54 mm
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Material: PC V0 (flame retardant)
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Colour: White
Manufacturer: Sonoff
App: eWeLink (Android/iOS)
No hub required!
