Shelly Plus Wall Dimmer US

Device identification

• Device name: Shelly Plus Wall Dimmer
• Device model: SNDM-0013US
• Device SSID: ShellyPlusWDUS-XXXXXX

Short description

Shelly Plus Wall Dimmer (The Device) can switch on/off and vary the brightness of compatible dimmable lights. It can be easily wired in the place of a standard US light switch. Enhanced with all the gen2 firmware flexibility, it provides professional integrators with additional options for end customer solutions. It can work standalone in a local Wi-Fi network, or it can also be operated through cloud home automation services.

Shelly Plus Wall Dimmer can be accessed, set up 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.

The Device has an embedded Web Interface which can be used to monitor and control the device, as well as adjust its settings.

Features

• Night mode
• Weekly schedules
• Auto on/off timers

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
• Amazon
• Samsung SmartThings

Simplified internal schematics

Device electrical interfaces

Inputs

• 2 line wires: 1 black L and 1 white N
• 1 green ⏚ (Ground) wire

Output

• 1 red OUT wire

Connectivity

• Wi-Fi
• Bluetooth

Supported load types

• Incandescent lights
• Dimmable only LED lights
• Dimmable only CFL

User interface

Inputs

• One power button with LED indication:
• One slider with brightness LED indication:

Outputs

• Power button LED indication:
• Brightness LED indication:

* Blue Wi-Fi LED can be enabled (default) or disabled by the user.
** White Power LED can be set by the user to: match the Device output (default), invert the Device output, to be always ON, or to be always OFF.

¹ 1 second ON / 1 second OFF
² 1 second ON / 3 seconds OFF
³ 1 second ON / 5 seconds OFF
⁴ ⅕ second ON / ½ second OFF
⁵ ⅕ second ON / ⅕ second OFF

Specifications

Type

Value

Physical

Size without face plate and wires (HxWxD):

104x44x39 ±0.5 mm / 4.09 x 1.73 x 1.50 ±0.02 in

Size with face plate and without wires (HxWxD):

120x70x39 ±0.5 mm / 4.72 x 2.76 x 1.50 ±0.02 in

Weight without face plate:

105 g / 3.70 oz

Weight with face plate:

121 g / 4.28 oz

Shell material:

ABS

Color:

White

Environmental

Ambient temperature:

-20 °C to 40 °C / -5 °F to 105 °F

Humidity

30 % to 70 % RH

Electrical

Power supply voltage AC:

100 - 120 V, 50/60 Hz

Power supply voltage DC:

N/A

Power consumption:

< 3 W

Output circuits ratings

Max load power at 120 VAC:

• 400 W (incandescent)
• 150 W (dimmable only LED and CFL)

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

Webhooks (URL actions):

20 with 5 URLs per hook

Scripting:

Yes

MQTT:

Yes

CoAP:

No

Wiring diagram

Troubleshooting

...

Components and APIs

• This device
• All Shelly devices and services

Printed user guide

Shelly Plus Wall Dimmer multilingual printed user and safety guide.pdf