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Shelly Plus Uni

Device identification

  • Device name: Shelly Plus Uni

  • Device model: SNSN-0043X

  • Device SSID: ShellyPlusUni-XXXXXX

Short description

Shelly Plus Uni (the Device) is a small form factor smart universal module featuring two solid state relays with potential free contacts, pulse counter, analog and two digital inputs. It allows remote control of electrical devices via mobile phone, tablet, PC or home automation system. It can operate standalone on a local Wi-Fi network or it can also be controlled via cloud-based home automation services.

Shelly Plus Uni 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.

Shelly Plus Uni 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

  • Google

  • Samsung SmartThings

  • Alexa

Simplified internal schematics

Device electrical interfaces

Power supply

  • AC/DC power supply - VAC1 and VAC2

  • DC power supply - +5 VDC and GND

Inputs

  • 1 analog input - ANALOG IN

  • 1 1-Wire data input - DATA

  • 1 pulse counter input - COUNT IN

  • 2 digital inputs - IN1 and IN2

Outputs

  • 1 sensors power supply output - SENSOR VCC

  • 2 potential-free contacts solid-state relay outputs - OUT1 and OUT2

Addon interface

  • Shelly proprietary serial interface

Connectivity

  • Wi-Fi

  • Bluetooth (for inclusion purposes)

Safety features

  • PCB coating film

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

Type

Value

Physical

PCB size (LxWxH):

40x21x7 mm / 1.57x0.83x0.28 in

Weight:

8.5 g / 0.3 oz (with the cables)

Environmental

Ambient temperature:

-20 °C to 40 °C / -5 °F to 105 °F

Humidity

30 % to 70 % RH

Electrical

Power supply:

  • 8-24 VAC

  • 9-28 VDC

  • 5 VDC (stabilized, via +5 VDC and GND)

Power consumption:

< 1 W

Input circuits ratings

Digital inputs resistance:

50 kΩ

Digital inputs triggering voltage:

1.5 V (active low level)

Output circuits ratings

Max switching voltage:

30 V

Max switching current:

300 mA

Sensors, meters

Voltmeter:

0-15 VDC / 0-30 VDC (Two-range)

Voltmeter accuracy:

Pulse counter input triggering voltage:

1.5 V (active low level)

Pulse counter max frequency:

1 kHz

External sensors supported:

Single DHT22 or up to five DS18B20

Radio

RF band:

2400 - 2495 MHz

Max. RF power:

<20 dBm

Wi-Fi protocol:

802.11 b/g/n

Wi-Fi Range:

Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
(Depends on local conditions)

Bluetooth Protocol:

4.2

Bluetooth Range:

Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
(Depends on local conditions)

MCU

CPU:

ESP32

Flash:

4 MB

Firmware capabilities

Schedules:

20

Webhooks (URL actions):

20 with 5 URLs per hook

Scripting:

Yes

MQTT:

Yes

CoAP:

No

Basic wiring diagram

NOTICE! Shelly Plus Uni inputs are different from the previous Shelly Uni ones.

Legend

VAC1

Red

8-24 VAC / 9-28 VDC power supply input 1

VAC2

Black

8-24 VAC / 9-28 VDC power supply input 2

ANALOG IN

White

Analog input

SENSOR VCC

Yellow

Power supply for 1-Wire sensors

DATA

Blue

1-Wire data line

+ 5 VDC

Gray

5 VDC power supply positive input

GND

Green

5 VDC power supply ground input and Sensor ground

COUNT IN

Purple

Counter input

IN1

Orange

Digital input 1

IN2

Brown

Digital input 2

OUT 1

Black

Solid-state relay 1 terminals

OUT 2

Black

Solid-state relay 2 terminals

Troubleshooting

...

Web Interface guide

Read the Shelly Plus Uni web interface guide

Components and APIs

Printed user guide

Shelly Plus UNI multilingual printed user and safety guide.pdf

Compliance

Shelly Plus Uni multilingual EU declaration of conformity.pdf

Shelly Plus Uni UK PSTI ACT Statement of compliance.pdf

Installation guides

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