SONOFF 4CH R3

4-Channel Smart Relay with Voice Control & DIN Rail Mounting

✅ Independent Control for 4 Devices
Easily manage up to four connected devices—control each channel individually to suit your automation needs, whether it’s lighting, appliances, or other smart systems.

✅ DIN Rail Mounting for Easy Installation
Designed for DIN rail installation, the switch is ideal for electrical panels and hard-to-reach areas—making it perfect for centralized control in smart homes or commercial setups.

✅ Voice Control with Popular Assistants
Compatible with Amazon Alexa, Google Assistant, SmartThings, and Alice. Use simple voice commands through your smart speaker to turn devices on or off without lifting a finger.

⚙️ Smart. Versatile. Voice-Enabled.
The SONOFF 4CH offers reliable multi-device control with intuitive installation and seamless voice integration.

🧠 4-Channel Control | 🧲 DIN Rail Ready | 🎙️ Alexa & Google Compatible

4CHR3 Specifications

• Voltage Range: 100-240V AC 50/60Hz
• Max. Load: 10A/2200W/Gang 16A/3500W/Total
• Wireless Frequency: WiFi 2.4GHz 
• Wireless Standard: IEEE802.11 b/g/n 2.4GHz(2400M-2483.5M)
• Security Mechanism: WPA/WPA2
• Enclosure Material: PC V0
• Gang: 4
• Dimension:145*90*34 (mm)
• Operating Temperature(recommended): -10ºC-40ºC(14°F-104°F)
• Operating Humidity: 5%-95%RH, Non-condensing