Sonoff 4CH Pro User Manual

Sonoff 4CH Pro (R2) User Guide
Hi, welcome to use Sonoff 4CH Pro! Sonoff 4CH Pro is a 4 channel din rail
mounting 433MHz RF remote WiFi switch that can independently control
the 4 home appliances. It supports switching among 3 working modes:
inching/interlock/self-locking mode.
Power supply: 90-250v AC(50/60Hz)/5-24v DC. Max current: 10A/gang.
1. Download “eWeLink” app.
Search “eWeLink” in APP Store for iOS version or Google play for Android
version.
2. Wiring instruction
If you want to connect the Sonoff 4CH Pro with lights or appliances. Please
strictly follow the wiring diagram as shown below:

Sonoff 4CH Pro Specifications

General

Channels	4
Wi-Fi Standard	802.11 b/g/n
Max Current	10A per channel
Max Power	2200W per channel
Operating Temperature	-10°C to 40°C
Operating Humidity	5%-90% RH, non-condensing
Material	PC V0
Certification	CE, FCC, RoHS
Voltage Range	90-250V AC
Dimensions	145 x 90 x 40 mm