SONOFF DUALR3 Smart Dual Relay Two-Way Switch with Power Metering
SONOFF DUALR3
The smart, hidden dual control module. Double the power, precise curtain motor control, and real-time power metering in one compact device.
Precise Power Metering
Because knowledge is the basis of saving. The DUALR3 allows you to monitor the energy consumption of connected devices in real-time, measuring voltage, current, and power, and saving usage reports to help you reduce electricity bills.
Your Curtain Motor, Upgraded
A special mode for controlling bi-directional motors (such as roller shutters, awnings, etc.). Control opening, closing, and stopping curtains with extreme precision from your phone or via voice commands for privacy at a touch.
Advanced Overload Protection
Uncompromising safety. Set maximum and minimum thresholds for voltage, current, and power. The device will automatically cut off power to connected appliances upon detecting any abnormal state to protect them from damage.
Keep Your Classic Switches
No need to change your home decor. Thanks to the two-way switching mode, the device is compatible with various types of traditional wall switches (momentary or toggle), allowing you to combine classic elegance with absolute intelligence.
Technical Specifications
| Model | SONOFF DUALR3 (Power Metering Version) |
|---|---|
| Input | 100-240V AC 50/60Hz |
| Output | 100-240V AC 50/60Hz |
| Max Load (per channel) | 10A / 2200W |
| Max Load (total for two channels) | 15A / 3300W |
| Motor Load | 10-240W / 1A |
| Wireless Network | Wi-Fi IEEE 802.11 b/g/n 2.4GHz |
| Material | PC V0 Plastic (Flame Retardant) |
| Dimensions | 54 x 49 x 24 mm |
| Voice Compatibility | Amazon Alexa, Google Assistant, Siri Shortcuts |
| Smart App | eWeLink (supports iOS and Android) |
Installation and Setup Notes
- Installation requires a Neutral line in the wall box for the device to function.
- The device size is designed to fit perfectly into standard (deep) wall switch boxes to remain completely hidden.
- The device comes with a mounting clip for DIN Rails used in primary electrical distribution boards.
- It is recommended to use a qualified electrician to ensure safe connection, especially when connecting bi-directional curtain motors.