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Product Image Shelly Plus 1PM UL WiFi Smart Relay with Dry Contact Input and Power Metering

Shelly Plus 1PM UL WiFi Smart Relay with Dry Contact Input and Power Metering


Next generation appliances control with precise power metering

From automatization of the lights to electrical appliances control, Shelly Plus 1PM provides precise power metering and free cloud data storage. Small enough to fit behind every wall switch or wall socket, Shelly 1PM is retrofit and can be installed in less than 10 minutes.

Shelly Plus1 PM UL adds power metering to the PLUS 1 UL so you can not only control but also monitor the power consumption of the controlled device.

Plus 1 PM UL is a compact WiFi-operated smart relay with single built-in dry contact input.  Shelly Plus 1 UL can be powered by and can control a wide range of low or high-voltage devices including home appliances, lights, security systems, sprinklers, LED strips, garage doors, etc.

The dry contact input can be used to monitor a contact closure, or connected to a switch to control the relay output.

Shelly Plus 1 PM UL has a built-in microprocessor and web server to allow it to be controlled and monitored by a smartphone, tablet, or home automation system.  It can be used on its own with free apps using the Shelly Cloud or integrated with a smart home system.

The built-in processor allows it to support scenes when combined with other Shelly devices, as well as built-in scheduling based on time of day or sunrise/sunset.

Shelly devices work with Google Home and Alexa voice assistants.

The plus generation features built-in Bluetooth to provide faster and easier enrollment compared to generation one devices.

Shelly works on its own or with MQTT, SmartThings, Home Assistant, HomeSeer, Homey, Hubitat, OpenHAB, and REST integration.





Power supply AC 110-230V ±10%, 50/60Hz
Maximum load 15A
Power supply DC 24 – 30V
Channels 1 Channel
Dry contacts No
Roller shutter mode No
Device temperature protection Yes
Overload protection Yes
Power measurement Yes
Working without a neutral line No
HTTP/HTTPS webhooks Yes
Custom scripts (mJs) Yes
Operational temperature -20°C to + 40 °C
Device power consumption < 1 W
Intelligent On/Off Yes
Local and remote control Yes
Sunrise/Sunset Yes
Weekly Schedule Yes
UL Listed option No
Wireless Yes
Wi-Fi Protocol 802.11 b/g/n
Wi-Fi Radio frequency 2412 - 2484 MHz
Wi-Fi Radio signal power 1mW
Wi-Fi Range up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
Bluetooth Yes
Size 42 x 38 x 17mm