Charged Reviews
Quick reference
SONOFF POW Ring Smart Power Meter (POWCT)
Model: POWCT · SKU: POWCT
Prepared Nov 12, 2026

Common specifications
| Device type | Not documented |
|---|---|
| Max switched load (A) | Not documented |
| Max switched load (W) | Not documented |
| Measurement channels | 1Source [1] |
| Current sensors | 0-100 ASource [1] |
| Current rating | Not documented |
| Voltage range | Not documented |
| Accuracy | Not documented |
| Communications | IEEE 802.11 b/g/n 2.4GHzSource [1] |
| Display | Not documented |
| Power input | 100-240V~ 50/60Hz 2W; 2 WSource [1] |
| Mounting | guide rail inside the distribution boxSource [2] |
| Safety listing | Not documented |
| Weight | |
| Dimensions | Not documented |
| Enclosure volume | Not documented |
| Warranty term | 2 yearsSource [1] |
All recorded specifications
| Certifications (as printed) | CE/FCC/RoHS; EN IEC 61010-2-030Documented claim ConditionsPrinted as "Certification CE/FCC/RoHS Executive standard EN IEC 61010-2-030". Location: Product page and documents as quoted Printed as "Certification CE/FCC/RoHS Executive standard EN IEC 61010-2-030". Location: Product page and documents as quoted |
|---|---|
| Communications | IEEE 802.11 b/g/n 2.4GHzDocumented claim ConditionsPrinted as "Wireless Connectivity Wi-Fi IEEE 802.11 b/g/n 2.4GHz". Location: Product page and documents as quoted Printed as "Wireless Connectivity Wi-Fi IEEE 802.11 b/g/n 2.4GHz". Location: Product page and documents as quoted |
| Current sensors | 0-100 ADocumented claim ConditionsPrinted as "Transformer current detection range 0-100A". Location: Product page and documents as quoted Printed as "Transformer current detection range 0-100A". Location: Product page and documents as quoted |
| Measurement channels | 1Documented claim ConditionsPrinted as "SONOFF POWCT is a smart energy monitor with a 100A split-core CT sensor". Location: Product page and documents as quoted Printed as "SONOFF POWCT is a smart energy monitor with a 100A split-core CT sensor". Location: Product page and documents as quoted |
| Mounting | guide rail inside the distribution boxDocumented claim ConditionsPrinted as "Mount the device on the guide rail inside the distribution box.". Location: Product page and documents as quoted Printed as "Mount the device on the guide rail inside the distribution box.". Location: Product page and documents as quoted |
| Operating temperature | -40 to 50 °C-40 to 122 °F convertedDocumented claim ConditionsPrinted as "Working temperature -40℃~50℃". Location: page Specification table Printed as "Working temperature -40℃~50℃". Location: page Specification table |
| Power input | 100-240V~ 50/60Hz 2W; 2 WDocumented claim ConditionsPrinted as "Rating 100-240V~50/60Hz 2W"; "Rating 100-240V~50/60Hz 2W". Location: Product page and documents as quoted Printed as "Rating 100-240V~50/60Hz 2W"; "Rating 100-240V~50/60Hz 2W". Location: Product page and documents as quoted |
| Weight | 0.12 kg0.26 lb convertedCalculated120.0 g / 1000 = 0.12 kg ConditionsPrinted as "Net weight 120g (Accessories not included)"; converted from grams. Location: manual p.3 spec table Printed as "Net weight 120g (Accessories not included)"; converted from grams. Location: manual p.3 spec table |
Warranty
| Warranty term | 2 yearsDocumented claim ConditionsPrinted as "2-Year Hassle-Free Warranty". Location: page Printed as "2-Year Hassle-Free Warranty". Location: page |
|---|
Certificate records
No records documented.
Sources and revisions
- SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026)Official product page · Checked https://sonoff.tech/products/sonoff-pow-ring-smart-power-meter-powct
- Smart Power Meter User Manual V1.0 (POWCT) (V1.0)Official instruction manual · Checked https://cdn.shopify.com/s/files/1/0742/9963/8001/files/User_Manual_POWCT_EN.pdf