Shelly 1-Channel Decoupler 230V –

The Shelly 1-Channel Decoupler 230V is a compact isolation module that generates a safe, low-voltage DC trigger signal from an existing 230 VAC signal (e.g., wall switch, relay output). This allows AC-side control elements to drive the DC inputs of Shelly devices, while optical isolation (optocoupler) protects smart devices from mains voltage.

It is ideal for retrofits: your existing 230 V wall switch can remain in place, but the signal will be routed to the DC inputs of Shelly Plus/Pro RGBW controllers to control LED strips, scenes, brightness, or colors. The module is available in a single-channel version and requires wired installation.

Compatible with, among others, Shelly Plus RGBW PM, Shelly Pro RGBWW PM, Shelly Plus Uni, and Shelly Plus Add-on devices, as well as various external controllers (push buttons, switches, specialized sensors).

About Shelly

Shelly is the smart home brand of Shelly Group. Its portfolio includes Wi-Fi relays, dimmers, meters, sensors, and professional DIN-rail solutions that offer easy installation and reliable automation in home and semi-professional environments.

Key Product Features

• AC→DC signal conversion: produces a low-voltage DC trigger from a 230 VAC input for Shelly devices’ digital inputs.
• Optical isolation: the optocoupler solution electrically separates the mains and low-voltage sides.
• Ideal for retrofits: safely forwards the signals of existing 230 V wall switches and relays to DC inputs.
• Wide compatibility: works with Shelly Plus RGBW PM, Shelly Pro RGBWW PM, Shelly Plus Uni, and Shelly Plus Add-on.
• Single-channel design: generates one DC trigger from one AC signal.

Smart Home Protocols and Platform Compatibility

• Type: passive, wired add-on module (non-networked).
• Compatibility: Shelly Plus RGBW PM, Shelly Pro RGBWW PM, Shelly Plus Uni, Shelly Plus Add-on; also suitable for forwarding signals from various external controllers (switches, push buttons, specialized sensors).
• Operation: actual control/automation is handled by the connected Shelly device.

Smart Features

• Safe trigger: passes the physical 230 VAC switching event as a DC trigger to the Shelly device input.
• Scenes and control: the connected Shelly (e.g., RGBW controller) can set light, brightness, colors, or scenes based on the incoming trigger.
• Flexibility: suitable for translating AC outputs from external sensors (PIR, microwave, gesture, light sensor) into DC inputs.

Technical Specifications

• Number of channels: 1
• Input (AC): 230 VAC, 50 Hz
• Output (DC trigger): max. 2.4 mA ⎓
• Power consumption: < 0.6 W
• Operating temperature: 0–40 °C
• Relative humidity: 30–70% RH
• Max. operating altitude: 2000 m
• Dimensions (H × W × D): 48 × 13 × 7 mm
• Weight: ~14 g
• Cable length: ~80 mm; stripping: ~5 mm
• Wire colors: Brown (L, AC input), Blue (N), Red (DC output, O), Black (⏊, DC GND)
• Compatible Shelly devices: Shelly Plus RGBW PM, Shelly Pro RGBWW PM, Shelly Plus Uni, Shelly Plus Add-on
• Note: requires wired installation; control is performed by the connected Shelly device.

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Available documents are organized by manufacturer in folders on Google Drive.

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