The Sonoff 4CHPROR3 is a smart 4-channel WiFi switch designed to control multiple devices from a single unit. Controlled via the eWeLink app, it supports timers, scenes, and automation. Perfect for DIN rail mounting in panels and remote control of lighting, gates, and ventilation systems.
The Sonoff 4CHPROR3 is a reliable smart switch that allows you to control four independent channels with a single device. It supports DIN rail mounting, making it ideal for installation in electrical distribution panels.
This device supports three operating modes: inching, interlock, and self-locking. It can be controlled via the eWeLink app, physical buttons, or voice assistants such as Alexa and Google Assistant. It also supports scheduling, scenes, and automation routines.
| Parameter | Value |
|---|---|
| Number of channels | 4 |
| Input voltage | 100–240V AC 50/60Hz or 9–23V DC |
| Maximum current | 10A per channel, 40A total |
| Maximum power | 2200W per channel, 8800W total |
| Connectivity | Wi-Fi IEEE 802.11 b/g/n 2.4GHz, 433.92MHz RF |
| Operating modes | Self-locking, interlock, inching |
| Control methods | eWeLink app, physical buttons, Alexa, Google Assistant |
| Mounting type | DIN rail or wall-mount |
| Operating temperature | -10°C to +40°C |
| Operating humidity | 5%–95% RH, non-condensing |
| Dimensions | 145 x 90 x 34 mm |
| Enclosure material | Flame-retardant PC V0 |
| Certifications | CE, FCC |
Data sheet
The Sonoff 4CHPROR3 is a smart 4-channel WiFi switch designed to control multiple devices from a single unit. Controlled via the eWeLink app, it supports timers, scenes, and automation. Perfect for DIN rail mounting in panels and remote control of lighting, gates, and ventilation systems.
