SONOFF POW Ring Smart Power Meter (POWCT): SONOFF's product image of the POW Ring Smart Power Meter (POWCT) on its own product page. The image carries small connectivity icon badge (Wi-Fi/Zigbee/Matter) at lower left; unit shown without its CT (no clean image of this exact model is published).

1 photo · Image from sonoff.tech

Photo sources

Manufacturer and seller images. Configuration examples may include additional equipment.

Image source: SONOFF's product image of the POW Ring Smart Power Meter (POWCT) on its own product page. The image carries small connectivity icon badge (Wi-Fi/Zigbee/Matter) at lower left; unit shown without its CT (no clean image of this exact model is published).

SONOFF POW Ring Smart Power Meter (POWCT)

Name: SONOFF POW Ring Smart Power Meter (POWCT)
Brand: SONOFF
SKU: POWCT

By SONOFFSold by AmazonSKU POWCT

Energy monitors

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$38.19

$38.19 at Amazon

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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.

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Device typeNot yet documented Max switched load (A)Not statedMax switched load (W)Not statedMeasurement channels1 Current sensors0-100 A Current ratingNot stated

Key specs

Units

SKU: POWCT
Official product page
Sources
Printed as "Model POWCT".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: page Specification table
Documented
Weight: 0.12 kg0.26 lb converted
Converted: 120.0 g / 1000 = 0.12 kg
Official instruction manual
Sources
Converted: 120.0 g / 1000 = 0.12 kg
Printed as "Net weight 120g (Accessories not included)"; converted from grams.
Official instruction manual: Smart Power Meter User Manual V1.0 (POWCT) (V1.0) Checked Oct 12, 2026 · Earlier document
Location: manual p.3 spec table
Converted
Power input: 100-240V~ 50/60Hz 2W; 2 W
Official product page
Sources
Printed as "Rating 100-240V~50/60Hz 2W"; "Rating 100-240V~50/60Hz 2W".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Mounting: guide rail inside the distribution box
Official instruction manual
Sources
Printed as "Mount the device on the guide rail inside the distribution box.".
Official instruction manual: Smart Power Meter User Manual V1.0 (POWCT) (V1.0) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Communications: IEEE 802.11 b/g/n 2.4GHz
Official product page
Sources
Printed as "Wireless Connectivity Wi-Fi IEEE 802.11 b/g/n 2.4GHz".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Current sensors: 0-100 A
Official product page
Sources
Printed as "Transformer current detection range 0-100A".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Certifications (as printed): CE/FCC/RoHS; EN IEC 61010-2-030
Official instruction manual
Sources
Printed as "Certification CE/FCC/RoHS Executive standard EN IEC 61010-2-030".
Official instruction manual: Smart Power Meter User Manual V1.0 (POWCT) (V1.0) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Measurement channels: 1
Official product page
Sources
Printed as "SONOFF POWCT is a smart energy monitor with a 100A split-core CT sensor".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Operating temperature: -40 to 50 °C-40 to 122 °F converted
Official product page
Sources
Printed as "Working temperature -40℃~50℃".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: page Specification table
Documented

All specs8

Weight: 0.12 kg0.26 lb converted
Converted: 120.0 g / 1000 = 0.12 kg
Official instruction manual
Sources
Converted: 120.0 g / 1000 = 0.12 kg
Printed as "Net weight 120g (Accessories not included)"; converted from grams.
Official instruction manual: Smart Power Meter User Manual V1.0 (POWCT) (V1.0) Checked Oct 12, 2026 · Earlier document
Location: manual p.3 spec table
Converted
Power input: 100-240V~ 50/60Hz 2W; 2 W
Official product page
Sources
Printed as "Rating 100-240V~50/60Hz 2W"; "Rating 100-240V~50/60Hz 2W".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Mounting: guide rail inside the distribution box
Official instruction manual
Sources
Printed as "Mount the device on the guide rail inside the distribution box.".
Official instruction manual: Smart Power Meter User Manual V1.0 (POWCT) (V1.0) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Communications: IEEE 802.11 b/g/n 2.4GHz
Official product page
Sources
Printed as "Wireless Connectivity Wi-Fi IEEE 802.11 b/g/n 2.4GHz".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Current sensors: 0-100 A
Official product page
Sources
Printed as "Transformer current detection range 0-100A".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Certifications (as printed): CE/FCC/RoHS; EN IEC 61010-2-030
Official instruction manual
Sources
Printed as "Certification CE/FCC/RoHS Executive standard EN IEC 61010-2-030".
Official instruction manual: Smart Power Meter User Manual V1.0 (POWCT) (V1.0) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Measurement channels: 1
Official product page
Sources
Printed as "SONOFF POWCT is a smart energy monitor with a 100A split-core CT sensor".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: Product page and documents as quoted
Documented
Operating temperature: -40 to 50 °C-40 to 122 °F converted
Official product page
Sources
Printed as "Working temperature -40℃~50℃".
Official product page: SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026) Checked Oct 12, 2026 · Earlier document
Location: page Specification table
Documented

Published claims and calculations, not independent test results.

Documents

2 on file

PDF
Smart Power Meter User Manual V1.0 (POWCT) (V1.0)OfficialSONOFFOfficial instruction manual
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-12.
Location: Whole document
Retrieved Oct 12, 2026
SONOFF's own document, downloaded October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Archived copies
Archived copy of a document published by SONOFF. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.
Archived backup Revision not recorded · 9.51 MB
Archived copy, unaltered, kept as a record of what SONOFF published. Original address: https://cdn.shopify.com/s/files/1/0742/9963/8001/files/User_Manual_POWCT_EN.pdf. Copyright and takedown
Source first found
Oct 12, 2026
This copy captured
Oct 12, 2026, 10:31 AM PDT
Archived
Oct 12, 2026, 10:31 AM PDT
File details
Original source
Pages
14
Embedded creation date
Mar 12, 2024
Embedded modification date
Mar 12, 2024
Embedded dates are file metadata, not independent proof of publication.
SHA-256: fc886923d263c9a2b7ef3dc39b1c1f9e979c018e18a53d1b06a7b33523b7004a
Open
WEB
SONOFF product page: POW Ring Smart Power Meter (captured October 12, 2026)OfficialSONOFFOfficial product page
Source details
Revision
Not stated
Revision date
Not stated
Archived copy captured on 2026-10-12.
Location: Product page
Retrieved Oct 12, 2026
SONOFF's own product page, captured October 12, 2026 with the paced research fetcher. Manufacturer statements, not independent tests.
Open

Archive and older revisions0

Earlier revisions, archived captures and copies published by someone other than the manufacturer. Every one stays reachable.

Archived documents

Smart Power Meter User Manual V1.0 (POWCT) (V1.0)

Archived copy of a document published by SONOFF. Copyright retained by the publisher; kept for reference and verification only, no endorsement implied. To ask for its removal, email legal@chargedreviews.com.

Archived backup Revision not recorded · 9.51 MB

Archived copy, unaltered, kept as a record of what SONOFF published. Original address: https://cdn.shopify.com/s/files/1/0742/9963/8001/files/User_Manual_POWCT_EN.pdf. Copyright and takedown