Device profile · Specifications & compatibility
SONOFF POWCT
Sonoff · Energy Monitors · Model POWCT
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- SONOFF POWCT lists Home Assistant; 2.4 GHz Wi-Fi; Alexa.
- Check the exact integration and firmware.
- A catalog integration label does not establish local control, official support or available entities.
Browse more from Sonoff or explore all energy monitors in our catalog.
- Recorded year
- 2024
- Recorded warranty
- 1 year
- Dimensions
- 98 x 54 x 31 mm
- Weight
- 120g
The details that shape your choice
SONOFF POWCT Quick Features
Start with these specifications, then check the full details and conditions below.
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From specification to decision
SONOFF POWCT: Capabilities And Limitations
Based on listed specifications, not hands-on testing. Manufacturer sources are linked where checked.
What it offers
A Home Assistant integration is listed, providing an integration path to verify for the exact model. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.
View Home Assistant details →
What to consider
No specific limitation is established here. Check installation requirements and compatibility before choosing.
Still needs verification
Confirm these details if they matter to your setup.
Questions About SONOFF POWCT
Does SONOFF POWCT support three-phase support?
No, according to the listed specifications. Verify the installation, sensor arrangement and regional electrical requirements with the manufacturer.
View Three Phase specifications →Does SONOFF POWCT support split-phase support?
No, according to the listed specifications. Check the supported electrical system and required installation procedure. Single clamp and one voltage input, so a 120/240 V split-phase service is out of scope
View Split Phase specifications →Does SONOFF POWCT support Matter?
Matter is listed as “SONOFF Hub required”. The stated condition applies to this feature. Verify the exact device type, firmware and features exposed in your chosen platform. Matter support is not proof of feature parity. The device is not Matter itself: SONOFF lists it among the eWeLink Wi-Fi models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish into Matter.
View Matter specifications →Does SONOFF POWCT work with Home Assistant?
Yes, according to the listed specifications. Check the exact integration and firmware. A catalog integration label does not establish local control, official support or available entities.
View Home Assistant specifications →Does SONOFF POWCT work with Apple Home?
Apple Home is listed as “SONOFF Hub required”. The stated condition applies to this feature. Check the model, firmware, exposed controls and any additional hardware requirements. SONOFF lists this model among the eWeLink Wi-Fi devices its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) publish to Matter, which is how it reaches the Apple Home app.
View Apple Home specifications →Explore the full picture
SONOFF POWCT Specifications
Recorded catalog values. Expand notes for qualifications; unknown values are not treated as missing features.
5 of 39 fields matched to manufacturer documentation. Source checks apply only to the named model and stated scope. Other fields remain catalog data. How we verify specifications →
Metering9 fields
| Monitored Circuits | 1 |
|---|---|
| Included Ct Sensors | 1Details & conditionsOne split-core 100 A clamp |
| Main Ct Rating | 100 AManufacturer sourceThe split-core current transformer measures up to 100 A. SONOFF POWCT manufacturer product page →
The dry contact is not a 100 A load-switching output. Follow the electrical installation instructions. Document check only; not a hands-on test or verification of every regional or firmware variant. |
| Branch Ct Rating | Not applicable / unspecified |
| Accuracy | Not recorded |
| Split Phase | NoDetails & conditionsSingle clamp and one voltage input, so a 120/240 V split-phase service is out of scope |
| Three Phase | No |
| Bidirectional Metering | YesManufacturer sourceThe meter measures imported and exported energy. SONOFF POWCT manufacturer product page →
The dry contact is not a 100 A load-switching output. Follow the electrical installation instructions. Document check only; not a hands-on test or verification of every regional or firmware variant. Details & conditionsSeparate counter for exported energy |
| Power Factor | NoDetails & conditionsReports voltage, current, power and energy, but no power factor |
Connectivity8 fields
| 2.4 GHz Wi-Fi | YesDetails & conditionsExternal antenna on a lead so it can sit outside the panel |
|---|---|
| 5 GHz Wi-Fi | No |
| Ethernet | No |
| Bluetooth | No |
| Z Wave | No |
| Zigbee | No |
| Thread | No |
| Other | No |
Data Monitoring6 fields
| Real Time Updates | Not recorded |
|---|---|
| Data History | 6 monthsManufacturer sourceHourly history is available for up to six months. SONOFF POWCT manufacturer product page →
The dry contact is not a 100 A load-switching output. Follow the electrical installation instructions. Document check only; not a hands-on test or verification of every regional or firmware variant. Details & conditionsHour-by-hour records kept on the device, survives power cuts |
| Energy Cost Tracking | Not recorded |
| Time Of Use Rates | Not recorded |
| Data Export | YesManufacturer sourceHistorical data can be exported. SONOFF POWCT manufacturer product page →
The dry contact is not a 100 A load-switching output. Follow the electrical installation instructions. Document check only; not a hands-on test or verification of every regional or firmware variant. Details & conditionsHistory can be exported to a file from the eWeLink app |
| Usage Alerts | YesDetails & conditionsOverload alerts and protection thresholds |
Features3 fields
| Relay Output | YesManufacturer sourceA 2 A dry-contact output can control an external contactor. SONOFF POWCT manufacturer product page →
The dry contact is not a 100 A load-switching output. Follow the electrical installation instructions. Document check only; not a hands-on test or verification of every regional or firmware variant. Details & conditionsDry contact rated 2 A for contactor control |
|---|---|
| Load Management | YesDetails & conditionsOverload protection switches the contactor off above the configured threshold |
| Automations | Yes |
Installation4 fields
| Breaker Panel Install | Yes |
|---|---|
| Din Rail Mount | Yes |
| Smart Meter Port | No |
| Power Supply | Mains (100-240 V) |
Integrations6 fields
| Google Home | Yes |
|---|---|
| Alexa | Yes |
| Apple Home | SONOFF Hub requiredDetails & conditionsSONOFF lists this model among the eWeLink Wi-Fi devices its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) publish to Matter, which is how it reaches the Apple Home app. |
| SmartThings | Yes |
| Home Assistant | Yes |
| Matter | SONOFF Hub requiredDetails & conditionsThe device is not Matter itself: SONOFF lists it among the eWeLink Wi-Fi models its Matter bridges (Zigbee Bridge Ultra, iHost, NSPanel Pro) republish into Matter. |
Local Control3 fields
| Local Api | NoDetails & conditionseWeLink LAN mode keeps control working without internet, but there is no documented device API |
|---|---|
| Mqtt | No |
| Local Web Interface | No |
How this device compares
SONOFF POWCT vs Other Similar Models
Statistical context from 25 energy monitors in this catalog. These figures describe our recorded data, not independent measurements.
Recorded feature coverage
Relay Output: 4 of 25 known answers are Yes
Features: 16% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Din Rail Mount: 10 of 25 known answers are Yes
Installation: 40% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Recorded feature coverage
Alexa: 14 of 25 known answers are Yes
Integrations: 56% among explicit Yes/No answers; 0 of 25 devices have no resolved answer. Check the specifications for this model’s conditions.
Brand representation in this directory
3 of 25 models are from Sonoff
Counts energy monitors listed here, not sales or market share. Catalog inclusion does not imply a recommendation.
Side-by-side specification comparison
Compare SONOFF POWCT vs Similar Energy Monitors
See how SONOFF POWCT stacks up against other energy monitors in this catalog. Compare specifications, compatibility and pricing.
Catalog specifications have not all been independently checked against manufacturer sources. Read our data and evidence methodology.