Shelly Plug US Gen4
A Wi-Fi plug that reports the watts passing through it to Home Assistant without a cloud account, for the sump pump recipe in a house with no Z-Wave or Zigbee radio.
By Shelly. Specs read from the maker on .
Price and stock: Maker product page (where to buy)
| Max load | 15 A, 1800 W, resistive load only, 120 V 60 Hz |
|---|---|
| Power metering | Yes, power and energy meters |
| Radios | Wi-Fi 802.11 b/g/n/ax at 2.4 GHz, Bluetooth LE, Zigbee |
| Matter | Matter certified |
| Local control | Local scripting, MQTT and a documented API |
| Operating temperature | -5 to 105°F |
| Size | 1.50 x 2.52 x 2.01 in |
| Works with Home Assistant | Yes, Shelly integration (Home Assistant docs) |
| Warranty | Not stated by the maker |
"Not stated by the maker" means the maker's pages do not say; this shelf leaves it blank rather than guess.
Know before you buy
Shelly rates the 1800 W maximum for resistive loads only and states no motor rating; a sump pump is a motor load. Use it to watch the pump's power draw, not to switch the pump. Not to be confused with the older Shelly Plug US or Shelly Plus Plug US.
Where each spec was read
- Maker: Shelly knowledge base, Shelly Plug US Gen4 read 2026-10-27
- Home Assistant docs: Shelly integration read 2026-10-27
Read first
Every store link on this shelf goes to the maker's own page unless a note beside it says it is an affiliate link. The guides on sensor.house name no brand; only these shelf pages do. No maker pays for placement.
Notes drafted with a language model from the maker's pages and checked against them. Product information, not electrical or plumbing advice: a licensed electrician or plumber and your local code decide what is safe in your house.
Found an error? See Corrections.