Sonoff Dual R3 two-channel Wi-Fi switch with energy monitoring
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The Sonoff Dual R3 is a two-channel Wi-Fi switch module for lighting, appliances and motorised mechanisms. Power measurement and energy consumption history let you review the usage of connected devices.
Remote control and schedules
The free eWeLink app for Android and iOS phones or tablets lets you check device status and control the relay remotely. Schedules can set opening and closing times for curtains or roller blinds. Siri voice control is also supported.
- Two channels: resistive load up to 3300 W/15 A in total and 2200 W/10 A per channel.
- Motor control: motor load of 10–240 W/1 A.
- Connection: 2.4 GHz Wi-Fi with WPA-PSK/WPA2-PSK.
Switch compatibility and housing
Supported lighting switches include momentary, staircase and bistable types. For roller shutters, the module supports momentary, double momentary and three-position maintained switches. The switch type must be configured in eWeLink.
The insulating housing resists high temperatures, moisture and mechanical damage. Electric shock and overcharge protection are provided, and TUV certification is listed. Operating humidity is 5–95% RH without condensation.
The box contains the Sonoff Dual R3 and a mounting adapter. The module requires a 100–240 V AC supply.
| Brand | Sonoff |
|---|---|
| Model | Dual R3 |
| Supply voltage | 100–240 V AC |
| Resistive load | 3300 W/15 A total; 2200 W/10 A per channel |
| Motor load | 10–240 W/1 A |
| Dimensions | 54 × 49 × 24 mm |
| Wi-Fi | 2.4 GHz, 802.11 b/g/n, WPA-PSK/WPA2-PSK |
| Microcontroller | ESP32 |
| Operating temperature | -10 to 40 °C |
| Operating humidity | 5–95% RH, non-condensing |
| Number of channels | 2 |
| Certification | TUV |
| App | eWeLink |
| Compatible mobile devices | Tablet or smartphone with Android or iOS |
| Material | PC V0 |
| Energy monitoring | Power measurement and consumption history in the app |
| Control functions | Remote control, device status viewing, schedules and Siri voice control |
| Compatible lighting switches | Momentary, staircase and bistable switches; type must be configured in eWeLink |
| Compatible roller shutter switches | Momentary, double momentary and three-position maintained switches; type must be configured in eWeLink |
| Protection and housing | Electric shock and overcharge protection; insulating housing resistant to high temperatures, moisture and mechanical damage |
| EAN | 6920075775402 |
|---|
Does it support 5 GHz Wi-Fi?
The specified wireless connection is 2.4 GHz Wi-Fi, 802.11 b/g/n with WPA-PSK/WPA2-PSK.
What is included?
The box contains the Sonoff Dual R3 module and a mounting adapter.
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