Can I use Shelly Dimmer 2 without a neutral cable connected?

Yes, Shelly Dimmer 2 does not require a neutral cable. Therefore, when using Dimmer 2 without neutral, you need at least 20W at 240 VAC of power consumption for the device to work.

What type of lights does Shelly Dimmer 2 support?

Shelly Dimmer 2 supports incandescent and halogen light sources 1-220W, dimmable LED 50-200VA/10W – 200W and ferromagnetic transformers 50-150VA.

Can I use Shelly Dimmer 2 with 2-way switches ?

2-Way Switches are supported, but dimming can happens only though app. Wiring diagrams and proper settings could be found in the user ans safety guide up this page.

Can I use a physical switch with Shelly Dimmer 2?

It works with momentary, toggle and push-button switches. Dimmer physical switches are not supported.

What is the temperature limit for Shelly Dimmer 2?

Your device is designed to operate within safe temperature limits: max. ambient temperature is 40°C, with the PCB temperature ranging between 55-60°C under no load. Moreover, heating protection kicks in to safeguard against overheating at 95°C.

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Shelly Dimmer 2 | WiFi Smart Dimmer Switch | No Neutral Wire Required | Home Automation | Compatible with Alexa & Google Home | iOS Android App | No Hub Required | Wireless Switch | Dimmable Lights

Shelly Dimmer 2 | WiFi Smart Dimmer Switch | No Neutral Wire Required | Home Automation | Compatible with Alexa & Google Home | iOS Android App | No Hub Required | Wireless Switch | Dimmable Lights

Product ID: 529375680

Details

Brand
Shelly
Connector Type
Screw
Contact Type
Normally Open
Current Rating
5 Amps
Item dimensions L x W x H
0.55 x 1.42 x
Material
Plastic

⚡Power monitoring up to 220W

💡Dimmable lighting with precise brightness

📶Wi-Fi enabled for seamless control

Description

💡 Elevate your space with smart dimming that’s as intuitive as your lifestyle.

POWER USAGE INSIGHTS - Track real-time energy consumption to optimize efficiency and reduce bills.
CUSTOMIZABLE AUTOMATION - Set lighting scenes and schedules that adapt to your lifestyle and natural light conditions.
PLUG PLAY INTEGRATION - No hub required—easy installation with screw connectors and full app control for instant smart home upgrade.
EFFORTLESS SMART LIGHTING - Control and dim your lights remotely via app or voice with Alexa & Google Home compatibility.
NO NEUTRAL WIRE NO PROBLEM - Innovative design fits all electrical setups, including homes without a neutral wire.

Shelly Dimmer 2 is a compact, Wi-Fi smart dimmer switch designed for seamless home automation without the need for a neutral wire. Compatible with Alexa and Google Home, it offers precise dimming, real-time power monitoring, and customizable lighting scenes—all controllable via iOS and Android apps. Its easy installation and no-hub requirement make it the perfect upgrade for modern smart homes seeking energy efficiency and personalized ambiance.

Specifications

ASIN	B081FH1Z8Y
Actuator Type	Rotary
Best Sellers Rank	#444,838 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #782 in Dimmer Switches
Brand Name	Shelly
Circuit Type	2-way
Color	Green
Compatible Devices	Smart Home Devices
Connectivity Protocol	Wi-Fi
Connector Type	Screw
Contact Material	Stainless Steel
Contact Type	Normally Open
Control Method	App, Voice
Control Type	Full Control
Controller Type	Amazon Alexa, Google Assistant, SmartThings
Current Rating	5 Amps
Customer Reviews	4.2 4.2 out of 5 stars (2,944)
EU Spare Part Availability Duration	2 Years
Global Trade Identification Number	03800235262184
Included Components	dimmer switch
International Protection Rating	IP56
Item Dimensions	0.55 x 1.42 x 1.65 inches
Item Weight	1.1 Ounces
Lower Temperature Rating	32 Degrees Fahrenheit
Manufacturer	Allterco Robotics EOOD
Material Type	Plastic
Model	3800235262184
Mounting Type	Flush Mount
Number of Items	1
Number of Positions	7
Operating Voltage	110 Volts
Operation Mode	Automatically
Part Number	Shelly Dimmer 2
Smart Home Compatibility	Smart Home Compatible
Specification Met	CE, RoHS
Switch Type	Dimmer Switch
Terminal	Screw
Unit Count	1.0 Count
Upper Temperature Rating	95 Degrees Fahrenheit
Wattage	220 watts

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