Product Overview

Introduction

Product Name	SONOFF Smart Roller Shutter Switch
Product Model	MINI-RBS

This Smart Roller Shutter Switch is small in size, perfectly compatible with the European version of the recessed box, and supports a motor with a maximum current of 1A as a load. It supports WiFi remote control and Matter platform compatibility and integrates seamlessly with various smart home systems. Connect the device to the switch and motor correctly to upgrade regular electric roller blinds to a smart system.

Highlights

• Mini Size: This product is compact and perfectly compatible with various small-sized wall-mounted junction boxes, including the European standard 80 junction box.
• Matter Compatibility: This curtain retrofit device ensures compatibility with multiple platforms and their devices, breaking down the ecological barriers with third-party platforms.

Notice: The product supports Matter platforms like Apple Home, Google Home, Alexa, Home Assistant, and Samsung SmartThings. Percentage control is available on Apple Home, Google Home, and Alexa, while other platforms only support basic curtain functions (open, close, pause).

• Precise Percentage Adjustment: Control indoor lighting according to your needs, enhancing comfort and energy efficiency while adapting flexibly to different scenarios.
• Scheduled Curtain Operation: Set specific times for curtain opening and closing based on your routines, enhancing convenience in daily life.
• Calibration of Curtain Operation Errors: Reduce hardware inaccuracies and extend the lifespan of your smart curtains.

Applications

• Security Mode:
  While you're away, remotely check and control the roller blind status, simulating the presence of someone at home. It can also integrate with motion sensors to automatically close the blinds when motion is detected, enhancing security.
• Comfort Mode:
  Integrate with compatible Matter-based light sensors to automatically close the blinds when strong sunlight is detected, helping to cool the room during summer. Additionally, it can work with temperature and humidity sensors, and when a drop in temperature is detected, the blinds can be fully opened to naturally warm the room using sunlight.
• Wake-Up Mode:
  Automatically open the blinds to 30% in the morning, allowing natural sunlight to gently wake you up without being too harsh on your eyes.
• etc...

Specification

Model	MINI-RBS
MCU	ESP32
Rating	100-240V~ 50/60Hz 1A Max
Wireless connectivity	Wi-Fi IEEE 802.11 b/g/n 2.4GHz
Net weight	25.1g
Product dimension	39.5x33x16.8mm
Color	White+Purple
Casing material	PC
Applicable place	Indoor
Working temperature	10T40 (-10℃~40℃)
Working humidity	5-95%RH, non-condensing
Working height	Less than 2000m
Certification	CE/FCC/RoHS
FCC ID	2APN5-MINIRBS
Pollution degree	2
Rated impulse voltage	4kV
Automatic action	10000 Cycles
Control type	Type 1.B
Diameter of wiring(recommend)：	18AWG to 14AWG SOL/STR copper conductor only

Key Features

eWeLink Platform

Notice: The functionality here specifically refers to the capabilities available after pairing the device with the eWeLink APP. If the device is paired with Alexa, Google Home, or any other Matter platform, please refer to the [Matter Platform] section for details.

Device Home Page Functions​
Key Features	Feature Description
Percentage Adjustment	Current position percentage adjustment. *This function requires setting the travel calibration(motor calibration) before use.
Open/Close Device	To control the curtain with open/close/pause
Preset Status Mode	Shortcut of the custom preset curtain status 3 preset modes
Smart Timer	Scheduled On/Off. Countdown Timer. Recurring on-off loops.

 

Device Settings
Key Features		Feature Description
Assign Location		Set up the home and room where the device is located.
Share Device		The device can be shared with other eweLink accounts.
Smart Scene		Trigger condition: open/close/power value/daily power consumption / monthly power consumption. Execution action: open/close/reverse.
Third-party Platforms (Add the device to the eWeLink app via the SONOFF gateway, then sync it to the corresponding third-party platform through account linking.) ​ ​ ​ ​ ​ ​	Alexa	app control(Percentage Control) & voice control(Open/Close)
	Google Home	app control(Percentage Control) & voice control(Open/Close)
	SmartThings	app control(Open/Pause/Close/Percentage Control) & voice control(Open/Close)
	Apple Home	app control(Percentage Control) & voice control(Open/Close)
	Home Assistant	app control(Open/Pause/Close/Percentage Control) & voice control(Open/Close)
	IFTTT	voice control(open/close)
	Alice	voice control(Open/Close)
	Salute	voice control(Open/Close)
Group Control		Create a group consisting of one or multiple devices of the same type to enable synchronous control for all devices within the group.
LAN Control		A control method where the app communicates directly with the device over the same router, without going through the cloud platform. On/Off
eWelink-Remote Control		If you have also purchased the SONOFF R5, you can add it as a "sub-device" to the MINI-RBS. By using the "Scene Function" in the eWeLink app, the two devices can be linked, allowing the Sonoff R5 to function as a convenient wireless remote controller.
Push Notifications		Push the device's on/off status and power consumption to the user.
Offline Alert		When this feature is enabled, the device will notify the user if it remains offline for more than 5 minutes.
Logs		Records of device status changes. (You can view the operation records of the past three months).
Extra Time		Prolonged use may cause hardware errors, leading to position control deviation. Adjusting the "Extra time" helps correct this and improves the accuracy of percentage control.
Move Direction		Quickly swap the forward and reverse line ports, and easily correct the direction of the curtain movement without disconnecting the wiring.
Curtain/Blind Type		Select a curtain icon based on the actual application scenario.
Switch Mode		Select a matching switch mode for your connected device.
Automatic Updates		When the latest firmware is available for upgrade, the device can be automatically upgraded within a custom time

Matter Platform

Platforms and Capabilities	Apple Home	Google Home	Alexa	SmartThings	Home Assistant	Tuya
Travel Calibration	√	√	√	√	√	√
Percentage Control	√	√	√	√	√	√
Open/Close/Pause Button	×	×	×	√	√	√

​

Installation and Configuration Guide

① Button

Button	Description
Press & hold 5 seconds	Access to pairing mode
Triple short press	Switches the external switch type

Notice: The pairing mode will time out after 10 minutes. To re-enter pairing mode, simply press and hold the button for 5 seconds. The types of external switches supported are three-position rocker switches and momentary switches, with the default setting from the factory being the rocker switch (Edge Mode). External switch trigger mode switching sequence (cycle): Edge Mode → Pulse Mode → Following Mode

② LED indicator (Blue)

LED Indicator (Blue)	Description
Keeps on	Online
Flashes once	Offline
Flashes twice	LAN connection active？
Flashes two short + one long	In Pairing Mode
Breathing mode	In Travel Calibration Mode
Flashes three times	Travel Calibration Completed External switch type changed

③ Input/Output Terminal

Terminal	Description
N	Neutral wire
L	Live wire​
L out1	Live Output Terminal_1(100~240V)
L out2	Live Output Terminal_2(100~240V)
S1	Switch_1 (forward control)
S2	Switch_2 (reverse control)

 

Wiring Diagrams

Installation Recommendations Since the device needs to be connected to the motor and can be used with a physical switch, it is recommended to reserve a switch junction box near the existing electric roller shutter for installation. Wall junction box requirements: This product is compatible with the standard 60 junction box at a minimum size, but when installing, it is important to consider whether the depth of the junction box can accommodate the additional wiring. *The depth of the mounting box should be at least 60mm. In case the existing wall box is not deep enough, you can try to use a surface-mounted or ultra-thin wall switch to control the Relay. Motor Requirements The user must have an electric roller shutter at home and will need to retrofit it to upgrade it to a smart roller shutter. ① The motor used for the electric roller shutter must have a current of less than 1A. ② Motor power supply: AC (100~240V). ③ The motor shall be a 4-wire or 5-wire AC motor (including neutral, forward, reverse, and ground wires) with a built-in forward/reverse rotation limiter. To ensure the safety of your electrical installation, it's essential that either a Miniature Circuit Breaker (MCB) or a Residual Current operated Circuit-breaker with Integral Overcurrent protection(RCBO) with an electrical rating of 1A has been installed before the MINI-RBS. ​ WARNING Please install and maintain the device by a professional electrician. To avoid electric shock hazards, do not operate any connection or contact the terminal connector while the device is powered on!

 

External Switch Type	Momentary Switch Wiring	Three-Position Rocker Switch Wiring
Wire Diagrams

 

Terminals	​	Wires	​
N	Neutral Line	N	Neutral Line
L	Live Line	L	Live Line（100~240V）
L out1	Live Output Terminal__1(100~240V)	Forward Line	Motor Forward Line
L out2	Live Output Terminal__2(100~240V)	Reverse Line	Motor Reverse Line
S1	Switch_1 (Forward Control)	​	​
S2	Switch_2 (Reverse Control)	​	​

​

Installation Check ① Make sure all wires are connected correctly. ② Press the external switch to check if the roller shutter moves in the correct direction. If it does not, power off the device, swap the Lout1 and Lout2 wires, and test again. ③ The factory default setting is edge mode (using the three-position rocker switch). If you want to use other switches, you need to short-press the device button three times to switch to other modes.

Check the Device Status

1. External switch type

① The types of external switches supported are three-position rocker switches and momentary switches, with the default setting from the factory being the rocker switch (Edge Mode).

② The method to switch the external switch type: Short-press the button three times, and the blue light flashes 3 times, then the switch type is switched successfully.

③ External switch trigger mode switching sequence (cycle): Edge Mode → Pulse Mode → Following Mode

2. Roller shutter direction test

Press the external switch to check if the roller shutter moves in the correct direction. If it does not, power off the device, swap the Lout1 and Lout2 wires, and test again.

​

Add Device

Matter Platform

Open a Matter-compatible App to scan the Matter QR code on the Quick Guide or the device itself to add the device.

*Before adding the device to the Matter platform, be sure that the device is in pairing mode (LED indicator is flashing in a "two short and one long" cycle).

Add to Apple via Matter

Add to Google via Matter

Add to Alexa via Matter

Add to SmartThings via Matter

Add to Home Assistant via Matter

 

eWeLink Platform

Open eWeLink to scan the QR code on the Quick Guide or the device itself to add the device.

Enter "Scan"	Scan the QR code on the device or Quick Guide	Select "Add Device"
Power on the device	Long press the button for 5 seconds	Check Wi-Fi LED indicator flashing status (Two short and one long)
Search for the device and start connecting	Select the "Wi-Fi" network and enter the password	Device "Added completely"

Travel Calibration

eWeLink Platform

⚠️Using percentage control requires travel calibration. Please select one of the following two calibration options based on your needs.

Users can use the "Travel Calibration" pop-up window in the eWeLink App, or open the "Initial Settings" on the device settings page, and then perform "Automatic Calibration" or "Manual Calibration" according to the text instructions in the App.

Method 1: Automatic calibration

Click "Start Now"

Wait for the automatic calibration to complete

 

Method 2: Manual calibration

Click "Start Now"	Click "Manual"
Select "Next" to mark the "fully open" position	Select "Done" to mark the "fully closed" position

 

Notice： Before adding the device to the Matter platform or eWeLink, be sure that the device is in pairing mode ( LED indicator is flashing in a "two short and one long" cycle).

 

Matter Platform

⚠️Using percentage control requires travel calibration. Please select one of the following two calibration options based on your needs.

Notice： When the device is paired with the third-party platform, it can only be calibrated locally using the button on the device and cannot be calibrated through the Matter app.

 

Method 1: Automatic calibration

① Press and hold the device button for more than 10 seconds until the LED indicator enters breathing mode. The device will then automatically control the motor for calibration.

 

Method 2: Manual calibration

① Press and hold the device button for more than 10 seconds until the LED indicator enters breathing mode. Then, briefly press the device button to enter "Manual Calibration" mode.

 

② Manually open the curtains completely, then briefly press the device button until the LED indicator flashes three times.

 

③ Wait for the device to automatically close the curtains, then briefly press the device button again until the LED indicator flashes three times. This completes the "Manual Calibration."

 

④ Control the device through the App and check the fully open or fully closed positions. If there is any discrepancy, you can recalibrate.

fully open

fully closed

FAQ

1. Can the motor run continuously in the same direction?
   No. The motor should not operate in a single direction for more than 2 minutes. To prevent overheating and damage, the device will automatically enter a stop state after exceeding this time limit.
2. Can the device be used without connecting a "Switch"?
   Yes. Whether S1/S2 are connected to an external switch or not, it does not affect automation or app control functionality.

Troubleshooting

1. The switch control behaves differently than expected. Why?
   The issue may arise if the connected switch type does not match the device's current "Switch Mode."
   Solution:

• Quickly press the button on the MINI-RBS three times until the blue LED flashes rapidly three times.
• Repeat this up to two times if needed to find the correct "Switch Mode."

​

2. Why does the app show the device as offline after clicking "Enable Pairing Mode"?

After enabling Pairing Mode in the eWeLink app, the device enters Network Pairing Mode (indicated by a

"two short, one long" LED pattern) and shows as "Offline." Short-press the device button to restore

"Online" status.

3. Why is the percentage control accuracy of my device not accurate?

Note! If your device exhibits "inaccurate percentage control precision," we recommend pairing it with the eWeLink App and updating its firmware to the latest version (V1.0.3).

Application Explore

BrandFusion 2-Gang Solution
To address the issue of "(ERBS) direct installation not matching the multi-way switch frame on the original wall surface" when users use the ERBS switch enclosure, we have designed this 3D-printed 2-Gang Faceplate structure extension, with one side of the frame slot precisely matching the Sonoff ERBS dimensions, while the other side slot precisely matches the dimensions of mainstream switches on the market, achieving seamless compatibility with the original switch.
ERBS & BUSCH-JAEGER
Access Link: Busch-Jaeger × ERBS Universal Gang
ERBS & VILMA SI
Access Link: VILMA SI × ERBS Universal Gang
ERBS & KOPP-ATHEN
Access Link: KOPP-ATHEN × ERBS Universal Gang

1:1 scale 3D model of the SONOFF MINI-RBS
This is a 1:1 scale 3D model of the SONOFF MINI-RBS, precisely recreated for physical testing and design validation.
Access Link: 1:1 scale 3D model of the SONOFF MINI-RBS

Know more

For a detailed guide and review of the SONOFF MINI-RBS, visit our free course at the SONOFF Academy.