Short description

The Shelly Plus 1PM UL is a UL-certified small form factor smart switch with power measurement, which allows remote control of electric appliances through a mobile phone, tablet, PC, or home automation system. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services.

The Shelly Plus 1PM UL can be accessed, controlled and monitored remotely from any place where the User has internet connectivity, as long as the device is connected to a Wi-Fi router and the Internet.

It can be retrofitted into standard electrical wall boxes, behind power sockets and light switches or other places with limited space.

The Shelly Plus 1PM UL has embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.

Device identification

• Device name: Shelly Plus 1PM UL

• Device model: SNSW-001P15UL

• Device SSID: ShellyPlus1PM-XXXXXX

Main applications

• Residential

• MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)

• Light commercial (small office buildings, small retail/restaurant/gas station, etc.)

• Government/municipal

• University/college

Integrations

Simplified internal schematics

Device electrical interfaces

Inputs

• 1 switch/button input on screw terminal: SW

• 5 power supply inputs on screw terminals: 2 N (+) and 3 L (Ʇ)

Outputs

• 1 relay output with power measurement on screw terminal: O

Add-on interface

• Shelly proprietary serial interface

⚠CAUTION! High voltage on the add-on interface when the Device is powered!

Connectivity

• Wi-Fi

• Bluetooth

Safety features

• Overheating protection

• Overvoltage protection

• Overcurrent protection

• Overpower protection

Supported load types

• Resistive (incandescent bulbs, heating devices)

• Capacitive (capacitor banks, electronic equipment, motor start capacitors)

• Inductive with RC Snubber (LED light drivers, transformers, fans, refrigerators, air-conditioners)

User interface

Inputs

• One (Reset) button

  • Press and hold for 5 seconds to enable Device access point and Bluetooth connection.

  • Press and hold for 10 seconds to factory reset the Device.

Outputs

• LED (monocolor) indication

  • AP (Access Point) enabled and Wi-Fi disabled:
    1 second ON / 1 second OFF

  • Wi-Fi enabled, but not connected to a Wi-Fi network:
    1 second ON / 3 seconds OFF

  • Connected to a Wi-Fi network:
    Constantly ON

  • Cloud is enabled, but not connected:
    1 second ON /5 seconds OFF

  • Connected to Shelly Cloud:
    Constantly ON

  • OTA (Over the Air Update):
    ½ sec ON / ½ second OFF

  • Button pressed and held for 5 seconds:
    ½ second ON / ½ second OFF

  • Button presses and held for 10 seconds:
    ¼ second ON / ¼ second OFF

The list above starts with the initial device status and the lowest priority. Every next state cancels the previous one.

Specifications

Basic wiring diagrams

110-240 VAC power supply Resistive load	110-240 VAC power supply Inductive load and RC snubber
24-30 VDC power supply Resistive load	24-30 VDC power supply Inductive load and RC snubber

Legend

Troubleshooting

Your device is overheating.

Make sure you are not using the L and N device terminals as bridges. Using them as bridges doubles the current through them which leads to overheating. Using the terminals as bridges in only available with low currents, so that the total current does not exceed 15 A.

Make sure the ambient temperature does not exceed 40 °C / 105 °F. If placed in confined space Shelly Plus 1PM may increase the ambient temperature above the allowed limits. Ensure ventilation of the Device.

Web Interface guide

Read the Shelly Plus 1PM, 1PM UL web interface guide

Components and APIs

• This device

• All Shelly devices and services

Printed user guide

Shelly Plus 1PM UL bilingual printed user and safety guide.pdf