⚡ Power up your smart home game—control, measure, automate, all in one sleek switch!
The Shelly Plus 1PM is a compact, flush-mount smart relay switch that enables wireless control and precise power measurement of household and office appliances. Supporting both WiFi and Bluetooth, it requires no hub and integrates seamlessly with Alexa and Google Home. With advanced scheduling options including sunrise/sunset triggers and support for webhooks and MQTT, it empowers users to automate and optimize energy consumption effortlessly.
Manufacturer | Shelly Europe |
Part Number | 120421 |
Product Dimensions | 4.1 x 3.6 x 1.5 cm; 90 g |
Item model number | 120421 |
Wattage | 5376 watts |
Item Package Quantity | 1 |
Plug profile | Flush Mount |
Batteries Required? | No |
Item Weight | 90 g |
M**H
Brilliant mains controller using WiFi - but with one caveat
I purchased this to control my 3.8kW hot water immersion heater - relying on the 240VAC rating of 16A. Whilst it worked initially, it soon cut out with a thermal warning. I rewired it as suggested to avoid using it as a terminal block, to reduce the current flowing internally. Still went over temperature. So I purchased a 20A DIN rail contactor and used the output from the Shelly to drive that. That resolved the over heating issue, but I had to pay the extra for the contactor and house it externally.So my advice would be to use the Shelly to drive an external contactor rather than rely on the 16A rating for 204VAC for high current applications.I found the Shelly connections a bit small and fiddly.Apart from those points it is a very good device. The iPhone controller software is extremely good. I absolutely recommend it; just don't put too much current through it.
M**C
I'm a big fan of Shelly!
Have around 13 Shelly's in my house - I just love them!
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