Shelly 4-Channel Decoupler 230V – 4-Channel AC to DC Signal Converter

Shelly 4-Channel Decoupler 230V is a professional module designed to convert 230 V AC signals into DC control signals across four independent channels.
It allows the use of standard AC wall switches to safely trigger Shelly smart modules, providing electrical isolation and improved system reliability.

Perfect for retrofitting and expanding smart home systems, this device ensures safe operation, low power use, and seamless compatibility with the Shelly ecosystem.

Main features

• Converts 230 V AC input to DC trigger signals (4 independent channels).

• Enables AC switches to control Shelly smart devices safely.

• Full electrical isolation between AC and DC circuits.

• Works with Shelly Plus Add-On, Shelly Plus Uni, and Shelly RGBW PM.

• Ultra-low power consumption (<1 W).

• Compact and easy to install inside electrical boxes.

Technical specifications

• Model: Shelly 4-Channel Decoupler 230V

• Power supply: 230 V AC, 50 Hz

• Channels: 4

• Max DC output per channel: 2.4 mA

• Power consumption: <1 W

• Dimensions: 88 × 48 × 23 mm

• Weight: 38 g

• Material: Flame-retardant plastic

• Color: White

• Operating temperature: 0 °C – 40 °C

• Humidity: 30 % – 70 % RH

• Compatibility: Shelly Plus Uni, Shelly Plus Add-On, Shelly RGBW PM

User benefits

• Controls up to 4 circuits using existing AC switches.

• Provides full isolation for smart module protection.

• Compact and safe design for professional installations.

• Simple integration with Shelly smart modules.

• Ideal for automation, lighting, and system upgrades.