Triggers DC inputs with an AC signal. Ideal for isolating and controlling DC loads using existing AC switches.
Compatible with: Shelly Plus RGBW PM, Shelly Pro RGBWW PM, Shelly Plus Uni, Shelly Plus Add-On
3
3 Years Warranty
3 Years Warranty
This warranty covers any issues with the hardware or firmware that exist at the time of purchase or that appear within the warranty period. The warranty includes all parts of the hardware, such as the body, mechanics, and display (if applicable). However, it does not cover consumable items like batteries or accessories, as their lifespan depends on how much they are used.
Shelly 1-Channel Decoupler 230V / Shelly 4-Channel Decoupler 230V is an electronic component that interconnects two separate electrical circuits (AC to DC) by means of a light sensitive optical interface (an octocoupler). It is designed for use with Shelly Plus Uni, Plus Add-on, Plus RGBW PM and Pro RGBW PM devices and different controllers, such as switches and buttons. It allows for switching DC inputs using AC supply.
Main features
Isolate and control DC loads: Use existing AC for triggering inputs on DC devices. Suitable for retrofits, external/specialized switches.
Use cases
Third-party sensor connectivity: Connect third-party sensors that require/work on/with AC to DC Inputs, for example - PIR, Microwave, Light control, Infrared motion, Hand wave sensors.
Simplified internal schematics
Device electrical interfaces
Shelly 1-Channel Decoupler 230V
Inputs
2 line inputs on cables: 1 L and 1 N
Outputs
2 line outputs on cables: 4 Ʇ and 4 +
Shelly 4-Channel Decoupler 230V
Inputs
2 line inputs on cables: 1 L and 1 N
Outputs
4 line outputs on cables: 4 Ʇ and 4 +
Supported Shelly devices
Shelly Plus RGBW PM
Shelly Plus Add-On
Shelly Plus Uni
Shelly Pro RGBWW PM
Specifications
Physical
Size (HxWxD):
48x13x7 mm / 1.89x0.51x0.27 inch (Shelly 1-Channel Decouplers)
44x34x7 mm / 1.73x1.34x0.27 inch (Shelly 4-Channel Decouplers)
Weight:
14 g / 0.49 oz (Shelly 1-Channel Decouplers)
25 g / 0.88 oz (Shelly 4-Channel Decouplers)
Shell color:
White (Shelly 1-Channel Decoupler 230V, Shelly 4-Channel Decoupler 230V)
Black (Shelly 1-Channel Decoupler 120V, Shelly 4-Channel Decoupler 120V)
Cable length:
80 mm
Stripped length:
5 mm
Wire colors:
Brown (I), Blue (N), Red (O), Black (Ʇ) (Shelly 1-Channel Decouplers)
Brown (I1-I4), Blue (N), Red (O1-O4), Black (Ʇ) (Shelly 4-Channel Decouplers)
Yes, Shelly devices (except for Wave devices) operate independently without the need for a hub. They connect directly to your Wi-Fi network, and you can control them via the Shelly Smart Control app, web interface, or through integrations with platforms like Google Home, Alexa, Home Assistant and Samsung SmartThings.
Use the Shelly Decoupler to connect a standard AC wall switch to the Shelly Plus RGBW PM. This lets the switch send control signals to the device's DC input without feeding it AC power directly, ensuring safe operation and full control of LED strips.
Safe Triggers for Smarter Automation
Safe Triggers for Smarter Automation
The Decoupler safely converts an AC signal-like one from a mechanical wall switch or relay - into a DC-level trigger input for use with the Shelly Plus Add-On in automations like irrigation or alarms.
Smart Lighting with Your Existing AC Switch
Smart Lighting with Your Existing AC Switch
Turn your regular wall switch into a smart lighting trigger. Install Shelly Pro RGBWW PM in your breaker box to control your LED strips. Then, place a Shelly Decoupler near your existing smart device. The decoupler picks up the physical press and sends a command to Shelly Pro RGBWW PM.
This way, your old switch stays in place, but now it can change colors, adjust brightness, or trigger scenes. Clean, simple, and fully smart.