1. Uvod
The SONOFF 4CH PRO R3 is a 4-gang Wi-Fi smart switch designed to integrate your traditional home appliances into a smart home system. It allows you to remotely control up to four connected devices independently via the eWeLink app on your iOS or Android device. This smart switch supports various working modes including self-locking, interlock, and inching, providing flexible control options for different applications. It is also compatible with voice assistants like Amazon Alexa and Google Home for convenient voice control.
This manual provides essential information for the safe and effective use of your SONOFF 4CH PRO R3 smart switch, covering product overview, specifikacije, instalacija, rad, održavanje i rješavanje problema.
2. Sigurnosne informacije
Please read and understand all safety instructions before installing or operating the device. Failure to follow these instructions may result in electric shock, fire, or other serious injury or damage.
- električna sigurnost: Installation should only be performed by a qualified electrician or professional. Ensure the main power supply is turned off at the circuit breaker before any wiring work.
- Voltage i opterećenje: Do not exceed the maximum load ratings of 10A/2200W per gang or 40A/8800W total. The device operates on 100-240V AC (50/60Hz) or 9-23V DC.
- Okruženje: Do not expose the device to moisture, extreme temperatures, or direct sunlight. Use indoors only.
- Ožičenje: Ensure all wire connections are secure and correctly terminated according to the wiring diagrams provided. The recommended wire diameter is ̘ 0.5-1.5mm (24-14AWG).
- Rastavljanje: Ne pokušavajte rastavljati ili modificirati uređaj. Unutra nema dijelova koje korisnik može sam servisirati.
3. Proizvod je gotovview
The SONOFF 4CH PRO R3 is a versatile smart switch designed for various applications. It features four independent channels, allowing you to control multiple devices from a single unit. The device supports both AC and DC power inputs and can be mounted on a DIN rail for easy integration into electrical boxes.

Slika 3.1: Front view of the SONOFF 4CH PRO R3 Smart Switch, showing the four gang buttons, LED indicators, and input/output terminals. The model number and electrical specifications are also visible on the label.
Ključne karakteristike:
- 4-kanalna kontrola: Independently control up to four connected devices.
- Višestruki načini rada: Supports self-locking, interlock, and inching modes configurable via the eWeLink app.
- upravljanje glasom: Kompatibilno s Amazon Alexom i Google Homeom za rad bez upotrebe ruku.
- daljinski upravljač: Control devices from anywhere using the eWeLink app on your smartphone.
- Montaža na DIN šinu: Designed for easy installation in electrical distribution boxes.
- Poboljšana sigurnost: Durable flame-retardant PC shell provides maximum safety.
- Dry Contact Support: Offers dry contact output for specific applications.
4. Specifikacije
| Parametar | Vrijednost |
|---|---|
| Brand | Sonoff |
| Model | 4CH PRO R3 |
| Materijal | PC V0 (Flame-retardant) |
| Ulazni voltage | 100-240V AC, 50/60Hz (DC: 9-23V) |
| Max. Load (per Gang) | 10A / 2200W |
| Max. Load (Total) | 40A / 8800W |
| Bežična frekvencija | WiFi 2.4G |
| Bežični standard | IEEE802.11 b/g/n, 2.4G (2400M-2483.5M) |
| Sigurnosni način rada | WPA/WPA2 |
| Kompatibilnost | Android 4.1 ili noviji, iOS 9.0 ili noviji |
| Wiring Way | N (neutralno) i L (uživo) |
| Wire Diameter | ̘ 0.5-1.5mm (24-14AWG) |
| Bande | 4 |
| 433MHz daljinski upravljač | Da |
| Suhi kontakt | Da |
| AC Input | Da |
| DC ulaz | Da |
| Operativni zapisi | 3-Month (via App) |
| Interlock Mode | App Configurable |
| Inching Mode | App Configurable |
| Veličina artikla | 14.5 x 9 x 3.4 cm (5.7 x 3.54 x 1.33 inča) |
| Težina artikla | 202 g (7.12 oz) |
| Broj dijela | CXQ4994757908399EM |
| UPC | 755431189069 |

Slika 4.1: Comparison of features across different SONOFF 4CH models, including 4CH PRO R3, highlighting differences in remote control, dry contact, AC/DC input, operation records, and control modes.
5. Postavljanje i instalacija
Before beginning installation, ensure the main power supply is disconnected at the circuit breaker to prevent electric shock.
5.1 Upute za ožičenje
The SONOFF 4CH PRO R3 supports both AC and DC input. Refer to the wiring diagram on the device and below for correct connections. Ensure all wires are securely fastened in their respective terminals.
- Input Terminals (Left Side): Connect your main power supply (Live 'L' and Neutral 'N') to the input terminals.
- Output Terminals (Right Side): Connect your appliances or lights to the output terminals (L1, L2, L3, L4 for Live outputs, and N for Neutral output). Each output corresponds to a specific channel.

Slika 5.1: Illustration of wiring the SONOFF 4CH PRO R3. The image shows the direct wiring method for the 4CHR3/4CHPROR3 models, where wires are inserted directly into the terminals.
5.2 Montaža na DIN šinu
The 4CH PRO R3 is designed for easy installation on a standard DIN rail, commonly found in electrical distribution boxes.
- Install the switch: Align the switch with the DIN rail.
- Slide into place: Gently slide the switch onto the rail until it clicks into position.
- Sigurno: Press the mounting brackets until they click, ensuring the switch is firmly secured on the rail.

Slika 5.2: Step-by-step guide for mounting the SONOFF 4CH PRO R3 onto a DIN rail, showing the process of installing, sliding, and securing the device.
5.3 Uparivanje aplikacija
To control the switch via your smartphone, you need to pair it with the eWeLink app.
- Preuzmite aplikaciju eWeLink: Preuzmite aplikaciju eWeLink iz App Store-a (iOS) ili Google Play Store-a (Android).
- Registracija/Prijava: Create an account or log in to your existing eWeLink account.
- Dodaj uređaj: Follow the in-app instructions to add a new device. This typically involves putting the switch into pairing mode (refer to the device's LED indicator for status) and connecting to your 2.4GHz Wi-Fi network.
6. Rukovanje uređajem
The SONOFF 4CH PRO R3 offers multiple ways to control your connected devices.
6.1 Kontrola aplikacije (eWeLink)
Once paired, you can control each of the four channels independently through the eWeLink app. The app also allows you to configure different working modes:
- Režim samozaključavanja: Each channel operates independently. Turning one channel ON/OFF does not affect others.
- Način rada za blokiranje: Only one channel can be ON at a time. Turning one channel ON will automatically turn OFF any other currently ON channels. This is useful for controlling devices like garage doors or blinds where only one state should be active.
- Postepeni način rada: A channel will automatically turn OFF after a set duration (e.g., 0.5-3600s) once it's turned ON. This is ideal for momentary actions.

Slika 6.1: Screenshots of the eWeLink app demonstrating the configuration and control of self-locking, interlock, and inching modes for the SONOFF 4CH PRO R3.

Slika 6.2: Examples of interlock mode application, showing how it can be used to control a garage door (open/close) or blinds (up/down) ensuring only one action is active at a time.
6.2 Glasovno upravljanje (Alexa i Google Home)
The SONOFF 4CH PRO R3 can be integrated with Amazon Alexa and Google Home for convenient voice control. Ensure your eWeLink account is linked to your Alexa or Google Home app.
- Amazon Alexa: Enable the 'eWeLink Smart Home' skill in the Alexa app. Discover devices, and then you can use commands like "Alexa, turn on [device name]" or "Alexa, turn off [device name]".
- Google Home: Link your eWeLink account in the Google Home app. Use commands such as "Hey Google, turn on [device name]" or "Hey Google, turn off [device name]".

Slika 6.3: Illustration of using voice commands with Amazon Alexa to control the smart switch, demonstrating the ease of integrating with popular voice assistants.
6.3 Other Control Methods
- Fizička dugmad: Each channel has a physical button on the device for manual ON/OFF control.
- 433MHz RF Remote Control: The 4CH PRO R3 supports 433MHz RF remote control for local operation (remote sold separately).
- Raspoređivanje i tajmeri: Set schedules and timers within the eWeLink app to automate your devices.
- Pametne scene: Create custom smart scenes to trigger actions based on various conditions (e.g., turn on lights when motion is detected).
7. Održavanje
Proper maintenance ensures the longevity and optimal performance of your SONOFF 4CH PRO R3 smart switch.
- čišćenje: Use a soft, dry cloth to clean the device. Do not use abrasive cleaners, solvents, or wet cloths, as these can damage the device or cause electrical hazards.
- Okruženje: Keep the device in a dry environment, away from direct sunlight, high temperatures, and humidity.
- Ažuriranja firmvera: Regularly check for and install firmware updates via the eWeLink app to ensure the device has the latest features and security patches.
- inspekcija: Povremeno provjeravajte spojeve ožičenja kako biste bili sigurni da su sigurni.
8. Otkrivanje problema
If you encounter issues with your SONOFF 4CH PRO R3, refer to the following common problems and solutions:
- Uređaj van mreže u aplikaciji:
- Provjerite je li uređaj uključen.
- Ensure your Wi-Fi network is active and stable.
- Verify the device is within Wi-Fi range.
- Ponovo pokrenite uređaj i Wi-Fi ruter.
- Ako problem i dalje postoji, pokušajte ponovo upariti uređaj s aplikacijom.
- Nije moguće upariti uređaj:
- Provjerite da vaša Wi-Fi mreža koristi frekvenciju od 2.4 GHz. Uređaj ne podržava Wi-Fi od 5 GHz.
- Provjerite tačnost lozinke za Wi-Fi.
- Make sure the device is in pairing mode (refer to the LED indicator status).
- Reduce the distance between the device and your Wi-Fi router during pairing.
- Uređaj ne reaguje na glasovne komande:
- Verify that your eWeLink account is correctly linked to your Alexa or Google Home app.
- Ensure the device name in the eWeLink app is recognized by your voice assistant. Try renaming it to something simpler.
- Provjerite internetsku vezu.
- Physical Buttons Not Working:
- Ensure the device has power.
- If the device is in a specific mode (e.g., interlock), button behavior might be affected.
Za dodatnu pomoć, molimo pogledajte službene resurse podrške SONOFF-a ili kontaktirajte korisničku službu.
9. Garancija i podrška
For warranty information, please refer to the warranty card included with your product or visit the official SONOFF webstranica. Uslovi i odredbe garancije mogu se razlikovati u zavisnosti od regije i prodavca.
Korisnička podrška:
- For technical support, FAQs, and product updates, please visit the official SONOFF webstranica: https://sonoff.tech
- You can also contact SONOFF customer service through the contact information provided on their website or within the eWeLink app.





