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SONOFF POW Ring Smart Power Meter (POWCT)

Model: POWCT · SKU: POWCT

Prepared Nov 12, 2026

Common specifications

Device typeNot documented
Max switched load (A)Not documented
Max switched load (W)Not documented
Measurement channels
Current sensors
0-100 ASource [1]
Current ratingNot documented
Voltage rangeNot documented
AccuracyNot documented
Communications
IEEE 802.11 b/g/n 2.4GHzSource [1]
DisplayNot documented
Power input
100-240V~ 50/60Hz 2W; 2 WSource [1]
Mounting
guide rail inside the distribution boxSource [2]
Safety listingNot documented
Weight
0.12 kg0.26 lb convertedCalculatedSource [2]
DimensionsNot documented
Enclosure volumeNot documented
Warranty term
2 yearsSource [1]

All recorded specifications

Certifications (as printed)
CE/FCC/RoHS; EN IEC 61010-2-030Documented claim
Conditions

Printed 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

[2]
Communications
IEEE 802.11 b/g/n 2.4GHzDocumented claim
Conditions

Printed 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

[1]
Current sensors
0-100 ADocumented claim
Conditions

Printed 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

[1]
Measurement channels
1Documented claim
Conditions

Printed 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

[1]
Mounting
guide rail inside the distribution boxDocumented claim
Conditions

Printed 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

[2]
Operating temperature
-40 to 50 °C-40 to 122 °F convertedDocumented claim
Conditions

Printed as "Working temperature -40℃~50℃".

Location: page Specification table

Printed as "Working temperature -40℃~50℃".

Location: page Specification table

[1]
Power input
100-240V~ 50/60Hz 2W; 2 WDocumented claim
Conditions

Printed 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

[1]
Weight
0.12 kg0.26 lb convertedCalculated120.0 g / 1000 = 0.12 kg
Conditions

Printed 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

[2]

Warranty

Warranty term
2 yearsDocumented claim
Conditions

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

Location: page

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

Location: page

[1]

Certificate records

No records documented.

Sources and revisions

  1. 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
  2. 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