SONOFF 4 Ch R3

The SONOFF 4 Ch R3 is a professional 4-gang Wi-Fi smart switch that controls up to four different appliances independently. Available as 4CH R3 and 4CH PRO R3, it brings remote control, schedules and automation to multiple devices from one compact unit.

Why Choose the SONOFF 4 Ch R3

When several loads are located together, for example in a distribution board or equipment cabinet, one 4-channel device is simpler and neater than four separate switches. The SONOFF 4 Ch R3 handles them all.

The PRO version adds more options for advanced users, while both versions share the familiar eWeLink app.

Key Features of the SONOFF 4 Ch R3

Four Independent Channels

Control four appliances separately or together.

Wi-Fi Connectivity

Connects directly to your 2.4GHz Wi-Fi network, no hub required.

App, Schedules and Voice

Control from the eWeLink app on the eWeLink ecosystem, with timers, schedules, scenes and voice assistants.

Two Versions

Choose 4CH R3 or 4CH PRO R3 to suit your project.

Technical Highlights

• Model: SONOFF 4CH R3 / 4CH PRO R3, SKU Son-4chR3
• Protocol: Wi-Fi
• App: eWeLink
• Channels: 4
• Versions: 4CH R3, 4CH PRO R3

Where to Use the SONOFF 4 Ch R3

• Distribution boards: four circuits in one device.
• Aquariums and terrariums: lights, pumps and heaters.
• Workshops: equipment control.
• Smart homes: lighting groups.

Installation and Setup Tips

Smart modules must be installed by a qualified electrician with the circuit isolated. Confirm the neutral and live conductors, follow the terminal markings and keep the total load within the rating of each channel. Metal boxes and enclosures reduce wireless range, so check signal strength before closing the installation. Pair the module in the app, name each channel clearly and test local switching as well as app control.

Related Products at WeVolt

Explore more smart modules. Compare it with the MOES Wi-Fi Mini Quadruple, for two channels, the SONOFF Dual R3, and add metering with the SONOFF SPM. You can also browse all smart modules at WeVolt. For brand information, visit the official SONOFF website.

How to Choose a Smart Module

First decide where the module will sit: behind a wall switch, inside a ceiling, or in the distribution board. Check the number of channels and the current per channel against the loads, and whether a neutral wire is available at the installation point. Then choose the protocol: Wi-Fi connects directly to the router, while Zigbee needs a gateway but offers a stable mesh network and lower power use. Finally, consider extras such as energy monitoring, RF remotes, RS485 or dry contact outputs.

Maintenance and Care

Smart modules need little maintenance. Keep firmware up to date, review schedules and automations when the use of a room changes and check terminals during routine electrical inspections. If a module goes offline, check the Wi-Fi or Zigbee signal and power supply before replacing it.

Planning Your Smart Home Project

List every circuit you want to control and group them by room and function, such as lighting, heating, water heaters and appliances. Decide which ones need local switches, which need energy data and which should follow schedules. With this map, it is easy to select the right number of modules, choose between Wi-Fi and Zigbee and keep the app organised for the people who will use it.

Why Buy from WeVolt

WeVolt supplies smart home, lighting control and electrical products to homeowners, electricians, panel builders and integrators. We select brands with proven reliability, keep technical information clear and help you choose compatible devices for each project. Whether you need a single unit or a full installation, our team can advise on wiring, app setup and system design so your project runs smoothly from order to handover.

Frequently Asked Questions

How many channels does the SONOFF 4 Ch R3 have?

Four.

Which versions are available?

4CH R3 and 4CH PRO R3.

Which app does the SONOFF 4 Ch R3 use?

The eWeLink app.

Can WeVolt help me choose the right product?

Yes. Our technical team can check compatibility with your installation, recommend accessories and answer wiring or app setup questions before and after your purchase.

Order the SONOFF 4 Ch R3 from WeVolt for reliable smart control of your lights and appliances.