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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 channels | Not documented |
| Current sensors | Not documented |
| Current rating | Not documented |
| Voltage range | Not documented |
| Accuracy | Not documented |
| Communications | Frequency 802.11 b/g/nSource [1] |
| Display | Not documented |
| Power input | Not documented |
| Mounting | Not documented |
| Safety listing | Not documented |
| Weight | Not documented |
| Dimensions | Not documented |
| Enclosure volume | Not documented |
| Warranty term | 2 yearsSource [1] |
All recorded specifications
| Certifications (as printed) | Certified Compliance TUV, CE, FCCDocumented claim ConditionsPrinted 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 |
|---|---|
| Communications | Frequency 802.11 b/g/nDocumented claim ConditionsPrinted 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 |
| Device type | In-wall switchDocumented claim ConditionsPrinted 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") |
| Max switched load (A) | 15 ADocumented claim ConditionsMaximum 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 |
| Max switched load (W) | 3,300 WDocumented claim ConditionsMaximum 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 |
| Operating temperature | -10 to 40 °C14 to 104 °F convertedDocumented claim ConditionsPrinted as "Operating Temperature -10ºC-40ºC". Location: spec table Printed as "Operating Temperature -10ºC-40ºC". Location: spec table |
Warranty
| Warranty term | 2 yearsDocumented claim ConditionsPrinted 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) |
|---|
Certificate records
No records documented.
Sources and revisions
- 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
- 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