SONOFF 4CH Pro R3 4-Channel Wi-Fi Smart Switch with RF Control

The SONOFF 4CH Pro R3 is a 4-channel smart switch designed to control up to four separate circuits independently. It supports control through Wi-Fi, 433.92MHz RF remote control, or the onboard buttons, making it suitable for various home and automation applications.

For applications where only one channel should be active at a time, Interlock Mode automatically turns off the other channels when a new channel is activated. Each channel also features individual NO, COM, and NC relay terminals for flexible wiring.

Key Features

• Four-Channel Control: Operate four connected circuits independently.
• Wi-Fi App Control: Control connected devices remotely and set timers.
• 433.92MHz RF Support: Control the switch using a compatible RF remote.
• Interlock Mode: Allows only one channel to remain active at a time.
• Manual Operation: Dedicated buttons for channels R1, R2, R3, and R4.
• Individual Relay Connections: Each channel provides NO, COM, and NC terminals.
• Status Indicators: Monitor channel and Wi-Fi status directly on the unit.
• Flexible Power Supply: Supports both AC and DC input.

Specifications

• Brand: SONOFF
• Model: 4CHPROR3
• Channels: 4
• Wi-Fi: 2.4GHz, IEEE 802.11 b/g/n
• RF Frequency: 433.92MHz
• AC Supply: 100240V AC, 50/60Hz
• DC Supply: 923V DC
• Maximum Resistive Load: 10A per channel, 40A total
• Relay Terminals: NO / COM / NC per channel
• Color: White