SONOFF 4CHR3 & 4CHPROR3 4-gang Wi-Fi Smart Switch with RF Control
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【WiFi Connected, No Hub Required】Directly connect to your home network via WiFi protocol, eliminating the need for additional gateways. Control devices remotely through the eWeLink app anytime, anywhere.
【Dry Contact for Smart Upgrades】Transform traditional devices into smart systems! Perfect for retrofitting garage doors, motorized curtains, etc.
【Voice Control with Alexa & Google Home】Seamlessly integrate with popular smart ecosystems. Use voice commands to operate devices hands-free – "Alexa, turn off the garage light" or "Hey Google, close the living room curtains".
【10A High-Load Capacity per Channel】Supports both DC/AC input (100-240V) with robust 10A load handling per channel. Safely control appliances like water heaters, pumps, and HVAC systems.
【DIN Rail Installation Ready】Designed for standard DIN rail mounting. ensuring a clean and professional layout. This minimizes clutter and improves accessibility for maintenance.
Specs & User Manual
SONOFF 4CHR3/4CHPROR3 is a 4-gang Wi-Fi smart switch with RF and app control, ideal for remotely managing lights, pumps, or motorized devices. With support for dry contact mode, it's perfect for garage doors or curtains. Each channel handles up to 10A, and is designed for standard DIN rail mounting, ensuring a clean and professional layout. No hub required—just connect via Wi-Fi, control via eWeLink app, or use voice commands with Alexa and Google Home for hands-free operation.
User Manual (PDF)4CHPROR3, 4CHR3
100 - 240V AC 50/60Hz
100-240V AC 50/60Hz (DC: 9-23V)
10A/2200W/Gang 16A/3500W/Total
10A/2200W/Gang 40A/8800W/Total
WiFi 2.4GHz
IEEE802.11 b/g/n 2.4GHz(2400M-2483.5M)
WPA/WPA2
PC V0
Four
145*90*34 (mm)
-10ºC-40ºC(14°F-104°F)
5%-95%RH, Non-condensing
FCC, CE