SONOFF 4CHR3 is a smart 4-gang Wi-Fi switch that allows control of up to four electrical devices via the eWeLink app or voice commands with Alexa and Google Assistant. Supports self-locking, interlock, and inching modes.
The SONOFF 4CHR3 is a 4-channel smart switch that enables control of four individual devices. It connects via Wi-Fi and syncs with the eWeLink cloud platform, supporting these operation modes:
Self-locking – each channel operates independently.
Interlock – only one channel is active at a time.
Inching – a channel turns on briefly before automatically turning off.
Compatible with Amazon Alexa, Google Assistant, and works with the eWeLink app for both Android and iOS. Perfect for lighting, gates, curtains, pumps, and automation systems.
Specifications:
Power supply: 100–240 V AC, 50/60 Hz
Max load: 10A / 2200W per channel
Wi-Fi: IEEE 802.11 b/g/n 2.4GHz
Modes: Self-locking, Interlock, Inching
Control: eWeLink app, voice (Alexa, Google), LAN
Dimensions: 145 x 90 x 34 mm
DIN rail mountable
Certifications: CE, FCC, RoHS
Data sheet
SONOFF 4CHR3 is a smart 4-gang Wi-Fi switch that allows control of up to four electrical devices via the eWeLink app or voice commands with Alexa and Google Assistant. Supports self-locking, interlock, and inching modes.
