Device identification

• Device name: Shelly Plus 2PM UL

• Device model: SNSW-002P15UL

• Device SSID: ShellyPlus2PM-XXXXXX

Short description

The Shelly Plus 2PM UL is a UL-certified small form factor 2-channel smart switch with power measurement and cover control, 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 2PM 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 2PM UL has an embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.

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

• 2 switch/button inputs on screw terminal: S1 and S2

• 3 power supply inputs on screw terminals: 1 N (+) and 2 L (Ʇ)

Outputs

• 2 relay outputs with power measurement on screw terminal

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

• Obstacle detection (cover mode)

• Safety switch (cover mode)

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

Dual-channel switch mode, AC power supply

Cover mode

Legend

Troubleshooting

...

Web Interface guide

Read the Shelly Plus 2PM, Plus 2PM UL web interface guide

Components and APIs

• This device

• All Shelly devices and services

Printed user guide

Shelly Plus 2PM UL bilingual printed user and safety guide.pdf