Sonoff 4CH Pro R3 4-Channel WiFi Switch for Smart Home, Compatible with Alexa and Google Home
Brand: SONOFF
VAT included (Ex VAT: 23.00 €)
Sonoff 4CH Pro R3 4-Channel WiFi Switch for Smart Home, Compatible with Alexa and Google Home
The Sonoff 4CH Pro R3 is a smart wireless switch that offers remote control and automation for your home or business. With 4 independent channels, it lets you manage multiple electrical devices from anywhere via WiFi connection or 433MHz RF remote control.
Main features:
- Remote control via 2.4GHz WiFi and 433MHz RF for greater versatility.
- Compatible with free mobile apps for iOS and Android, making it easy to control from smartphones.
- Voice control with Amazon Alexa, Google Home and Google Nest for a hands-free experience.
- 3 operating modes: inching, interlock and self-locking, adapting to different needs.
- Set up to 8 timer tasks with countdown, repeat or activation at specific times.
- DIN rail mounting, ideal for industrial or domestic installations.
- Real-time status synced with the app for constant monitoring.
Technical specifications:
- Power supply: 90V~250V AC / 5-24V DC.
- Maximum load: 250V AC / 30V DC.
- Maximum current: 10A per channel.
- Maximum power: 2200W per channel.
- Operating temperature: 0ºC to 40ºC.
- Operating humidity: 5% to 90% RH, non-condensing.
- Wireless security: WPA-PSK/WPA2-PSK.
- Material: flame-retardant ABS V0 for greater safety.
Common uses:
- Lighting automation in homes and offices.
- Remote control of appliances and electronic devices.
- Integration into smart home systems to improve energy efficiency and convenience.
- Industrial control via DIN rail mounting.
Compatibility: Works with Android and iOS devices via the dedicated app and is compatible with voice assistants such as Amazon Alexa, Google Home and Google Nest, making it easy to integrate into existing smart home systems.
Package contents:
- 1 x Sonoff 4CH Pro R3 wireless switch.
- 1 x User manual.
- 2.4GHz WiFi and 433MHz RF remote control for greater flexibility.
- Compatible with Amazon Alexa, Google Home and Google Nest for voice control.
- 4 independent channels to control multiple devices at the same time.
- 3 operating modes: inching, interlock and self-locking.
- 8 timed tasks for efficient automation.
- DIN rail mounting for professional installations.
- 10A maximum load and 2200W power per channel.
- Flame-retardant ABS V0 material for greater safety.
Customer Questions & Answers
What are the dimensions and weight of the Sonoff 4CH Pro R3, and what is included in the box at purchase?
The Sonoff 4CH Pro R3 measures approximately 145 mm x 90 mm x 35 mm and weighs around 210 g. The box includes the main unit, user guide and a set of fixing screws. An RF remote is not included and must be purchased separately if required.
What voltage and current range does each channel support, and what type of electrical load can the unit handle?
Each channel supports up to 10 A maximum (16 A total for the unit) for 100–240 V AC, 50/60 Hz. It can handle resistive loads such as incandescent bulbs, fans, electronic devices and small appliances. For inductive loads or motors, it is recommended to consult the derating curve and allow suitable safety margins.
Does the device require any special setup to work with Alexa and Google Home, and which app versions is it compatible with?
Yes, it requires linking the Sonoff in the eWeLink app (iOS ≥10.0, Android ≥4.1), creating an account and enabling the skill (Alexa) or action (Google Assistant). It is recommended to use the latest app versions for maximum compatibility. Voice control depends on a working WiFi network and internet access.
What installation and electrical safety considerations should I keep in mind when fitting the Sonoff 4CH Pro R3 in a consumer unit?
It should be installed on a DIN rail, in a dry and ventilated environment. Protection with a suitable RCD and MCB is recommended. All connections must be made with the power disconnected, using cables of the correct cross-section (minimum 1.5 mm² for 10 A). The housing complies with insulation standards for domestic installations; avoid direct exposure to water or dust.
Which voice assistants is the Sonoff 4CH Pro R3 compatible with?
It is compatible with Amazon Alexa, Google Home and Google Nest, allowing voice control of connected devices.
How many devices can I control with this switch?
You can control up to 4 electrical devices independently thanks to its 4 channels.
What operating modes does the Sonoff 4CH Pro R3 have?
It offers inching, interlock and self-locking modes to suit different control needs.
Can I set automatic on and off schedules?
Yes, it supports up to 8 timer tasks with countdown, repeat or activation at specific times.
What type of wireless connection does it use?
It uses 2.4GHz WiFi and is also compatible with 433MHz RF remote control for greater versatility.
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