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SONOFF DUALR3 Dual Relay Two Way Power Metering Smart Switch (DUALR3)

Model: DUALR3 · SKU: DUALR3

Prepared Nov 12, 2026

Common specifications

Device type
In-wall switchSource [1]
Max switched load (A)
15 ASource [1]
Max switched load (W)
3,300 WSource [1]
Measurement channelsNot documented
Current sensorsNot documented
Current ratingNot documented
Voltage rangeNot documented
AccuracyNot documented
Communications
Frequency 802.11 b/g/nSource [1]
DisplayNot documented
Power inputNot documented
MountingNot documented
Safety listingNot documented
WeightNot documented
DimensionsNot documented
Enclosure volumeNot documented
Warranty term
2 yearsSource [1]

All recorded specifications

Certifications (as printed)
Certified Compliance TUV, CE, FCCDocumented claim
Conditions

Printed as "Certified Compliance TUV, CE, FCC".

Location: Product page and documents as quoted

Printed as "Certified Compliance TUV, CE, FCC".

Location: Product page and documents as quoted

[1]
Communications
Frequency 802.11 b/g/nDocumented claim
Conditions

Printed as "Frequency 802.11 b/g/n".

Location: Product page and documents as quoted

Printed as "Frequency 802.11 b/g/n".

Location: Product page and documents as quoted

[1]
Device type
In-wall switchDocumented claim
Conditions

Printed as "Dual Relay Two Way Power Metering Smart Switch"; "【Dual-Channel Power Metering – Track Energy Usage】 Each channel independently measures voltage, current, and power consumption, helping you manage and optimize ".

Location: product title (in-wall placement not stated in words; behind-wall-switch use implied by "Two-Way Wall Switch Control")

Printed as "Dual Relay Two Way Power Metering Smart Switch"; "【Dual-Channel Power Metering – Track Energy Usage】 Each channel independently measures voltage, current, and power consumption, helping you manage and optimize ".

Location: product title (in-wall placement not stated in words; behind-wall-switch use implied by "Two-Way Wall Switch Control")

[1]
Max switched load (A)
15 ADocumented claim
Conditions

Maximum switched load printed as "Resistive Load 3300W/15A/Total, 2200W/10A/Gang".

Location: spec table

Maximum switched load printed as "Resistive Load 3300W/15A/Total, 2200W/10A/Gang".

Location: spec table

[1]
Max switched load (W)
3,300 WDocumented claim
Conditions

Maximum switched load printed as "Resistive Load 3300W/15A/Total, 2200W/10A/Gang".

Location: spec table

Maximum switched load printed as "Resistive Load 3300W/15A/Total, 2200W/10A/Gang".

Location: spec table

[1]
Operating temperature
-10 to 40 °C14 to 104 °F convertedDocumented claim
Conditions

Printed as "Operating Temperature -10ºC-40ºC".

Location: spec table

Printed as "Operating Temperature -10ºC-40ºC".

Location: spec table

[1]

Warranty

Warranty term
2 yearsDocumented claim
Conditions

Printed as "2-Year Hassle-Free Warranty".

Location: store service bar beside Add to cart (store policy wording)

Printed as "2-Year Hassle-Free Warranty".

Location: store service bar beside Add to cart (store policy wording)

[1]

Certificate records

No records documented.

Sources and revisions

  1. SONOFF product page: SONOFF DUALR3 Dual Relay Two Way Power Metering Smart Switch (captured October 12, 2026)Official product page · Checked https://sonoff.tech/products/sonoff-dualr3-dualr3-lite-dual-relay-two-way-power-metering-smart-switch
  2. SONOFF DUALR3 / DUALR3 Lite dual relay smart switch user manual (V1.3)Official user manual · Revision V1.3 · Checked https://cdn.shopify.com/s/files/1/0742/9963/8001/files/User_Manual_DUALR3_DUALR3_Lite_V1.3.pdf?v=1748328414