Shelly 4-Channel Decoupler 230V - 4-channel AC-DC signal converter for smart automation

The Shelly 4-Channel Decoupler 230V is a professional module designed to convert 230 V AC signals from traditional circuits into DC control signals for smart modules.
With four independent channels, this decoupler allows simultaneous control of multiple lighting circuits or controls, providing complete isolation between mains voltage and Shelly smart devices.

It is the ideal solution for modernising existing installations, ensuring safety, efficiency and seamless integration with the Shelly ecosystem.

Main functions
AC-DC signal conversion for four independent channels.

Enables the use of 230 V circuit breakers to control smart modules.

Complete electrical isolation between the network and Shelly devices.

Compatible with Shelly Plus Add-On, Shelly Plus Uni, Shelly RGBW PM and other modules.

Very low power consumption (<1 W).

Compact and safe design, suitable for electrical panels or sockets.

Technical Specifications
Model: Shelly 4-Channel Decoupler 230V

Power supply: 230 V AC ± (50 Hz)

Number of channels: 4

Maximum current per channel: 2.4 mA DC

Power consumption: <1 W

Dimensions: 88 × 48 × 23 mm

Weight: 38 g

Housing material: flame-retardant plastic

Colour: white

Operating temperature: 0 °C - 40 °C

Operating humidity: 30 % - 70 % RH

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

User benefits
Control up to 4 different circuits from a single module.

Allows re-use of existing infrastructure with AC circuit breakers.

Protects smart modules by isolating signals.

Quick installation, compact design and minimal power consumption.

Ideal for complex automation and electrical retrofit projects.