Shelly
Plug US Gen4
Measuring North American plug-in appliances and logging consumption through a complete operating cycle.
- Measurement path
- AC appliance
- Range
- Up to 15 A / 1,800 W (resistive loads only)
- Execution
- 120 V · 60 Hz · Type A/B (North American execution)
Before use
This is a 120V North American product. Do not use travel adapters to turn it into a universal mains meter. The 1,800 W ceiling is for resistive loads; do not apply it unchanged to motors or compressors.
What can this meter measure?Measurement range and technical limits.View detailsClose+
Key limits
Know the meter limits before connecting.
AC power and energy
- Supply / sockets
- 120 V AC · 60 Hz · Type A/B
- Maximum current
- 15A
- Maximum output
- 1,800 W · resistive loads only
- Metering
- Real-time power and energy
How to use this meterWorkflow, cautions and official instructions.View detailsClose+
Safe measurement
From connection to a useful measurement.
- 01Confirm a 120V Type A/B supply
- 02Check the appliance stays within 15A / 1,800W
- 03Measure a complete duty cycle
- 04Use both average watts and observed peak where available
Source checked on 2026-08-22
Open the official manufacturer source ↗Read the instructions for this exact model.
Versions, plugs, certification and availability vary by country. These are source-model technical references, not confirmed Nigerian supply or compatibility. Follow the manufacturer’s limits.