SONOFF DUALR3 Dual Relay Two Way Power Metering Smart Switch

SONOFF DUALR3 Smart Switch  Overview
SONOFF DUALR3 Dual Relay Module Wifi DIY MINI Switch Two Way Power Metering Smart Home 2 Gang/ Way Switch

Raw Dimensions (without clip) : width x height x depth = 53 x 49 x 25 mm

Raw Dimensions (with clip on 35 mm DIN Rail) : width x height x depth  = 58 x 49 x 34 mm

If you have a clear space (depth)  of 25 mm at the rear of your switchboard, you can elegantly convert / retrofit your existing mechanical switchboard to a smart one without changing the looks and without any major alterations. 

1 No. DUALR3 for independent / exclusive control of 2 independent loads / 1 curtain motor respectively.  

SONOFF DUALR3 takes your home to the next level. DUALR3 is a flush-mounted Wi-Fi smart dual relay switch module that is installed behind any standard switch to transfer it into a smart switch for wireless remote control with mobile devices or voice command. Unifying your home appliances into an integrated wireless network to make them communicate with one another which is convenient for you to manage and control, including lights, home appliances and motorized facilities like roller shutters, window shades, blinds, awning, etc.

Three working modes available:

DUALR3 comes with switch mode, motor mode and meter mode. One of the typical features is roller shutter and window shades smart control in the motor mode. The switch module offers the ultimate flexibility for your roller shutter and window shades by app remote control and scheduling timed events no matter whether you are home or away.

Double two-way control. 

The double relay switch module distributes the load to two inputs compared to the simple relay, which this working mechanism lets you have two-way control for two devices independently.


Dual R3 Package consists of:


Weight 0.058 kg

Dimensions 5.4 × 4.9 × 2.4 cm

Brand Sonoff

colour White

Power Supply: 100-240V AC

Max Current: 15A(total),10A(1 gang)

Max Power: 3300W(total) / 2200W(1 gang)

Product Dimensions: 54*49*24mm

Color: White

 Wireless Frequency: 802.11 b/g/n

Security Mechanism: WPA-PSK/WPA2-PSK

Operating Humidity: 5%-95%RH, Non-condensing

Enclosure Material: Fire-retardant ABS V0

Operating Temperature: -10ºC-40ºC

Gang: 2

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