SONOFF
SONOFF 4CH PRO R3 4-gang Wi-Fi Smart Switch with RF Control
SONOFF 4CH PRO R3 4-gang Wi-Fi Smart Switch with RF Control
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A robust multi-channel switch designed for DIYers needing flexible, reliable control - get independent gang settings, remote access, and RF backup inside a tidy, DIN rail-compatible box.
Direct Wi-Fi Access: Connect to your home network without a hub, and control devices via the eWeLink app from anywhere.
Dry Contact Support: Retrofit traditional devices like garage doors or motorized curtains—no rewiring needed.
Voice Control Ready: Fully compatible with Alexa and Google Home for hands-free operation.
High-Load Capacity: Each channel handles up to 10 A, letting you control heavy-duty appliances like pumps, heaters, or motors.
DIN Rail Ready: Built for tidy, professional installations without clutter—ideal for switchboards or control cabinets.
Mutual or Independent Control: Choose self-locking mode to toggle each device on/off independently, or interlock mode to ensure only one device is activated at a time.
Quick Specs
Model: 4CHPROR3 | Voltage: 100–240 V AC 50/60 Hz | Max Load (4CHPROR3): 10 A (2200 W)/gang, 40 A (8800 W) total | Wi-Fi: IEEE 802.11 b/g/n 2.4 GHz | Dimensions: 145 × 90 × 34 mm








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