
SONOFF THR320D In-Wall Relay Module (Wi-Fi, 20A Max)
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SONOFF THR320D
SONOFF THR320D is a smart switch module that tracks temperature and humidity; its built-in LCD shows real-time temperature and humidity (updated every 5 s), it connects via Wi‑Fi (IEEE 802.11 b/g/n 2.4GHz), supports 20A Max loads and controls 5-30V, 1A Max signal devices via its dry contact output. The device runs on an ESP32 MCU, supports THS01/DS18B20/MS01 sensors, and stores hourly-accurate data logs for up to 6 months, exportable as .xlsx.
Load Capacity
Controls high-current devices with 20A Max load support.
Dry Contact Output
Provides a 5-30V, 1A Max dry contact output.
Built-in LCD
The LCD screen shows real-time temperature and humidity and updates every 5 s.
Long-Term Data Storage
Stores temperature and humidity data with hourly accuracy for 6 months, exportable in .xlsx format.
Technical Specifications
Communication Protocol : Wi-Fi (IEEE 802.11 b/g/n 2.4GHz)
Processor (MCU) : ESP32
Compatible System : Amazon Alexa and Google Assistant
Rated Current : 20A Max
Supply Voltage : 100-240V~50/60Hz
Maximum Load : 20A Max
Control Type : Schedule-based automation, 8 programs and voice control
Dry Contact : 5-30V, 1A Max
Material : PC V0
Dimensions : 98×54×31mm
Operating Temperature : -10°C~40°C (14℉~104℉)
Operating Humidity : 5%-95%RH, non-condensing
Delivery & Return Terms
Delivery: Within North Cyprus in 72 hours · Free delivery on orders of 10,000 TL and above, 300 TL below that · Store Pickup free of charge
Returns: 14-day right of withdrawal · Unused and in original packaging
Warranty: All products carry a 12-month warranty backed by FAV Technology.