SONOFF 4CHR3 / 4CHPROR3 4-Channel Wi-Fi Smart Switch
A four-channel Wi-Fi controller for independently switching multiple circuits, with model-specific RF and dry-contact capabilities.
Key features
- Four independently controlled channels
- DIN-rail format for organized electrical-panel installation
- App control, schedules, interlock and automation modes
- Up to 10A per channel within the model's total-load limit
- 4CHPROR3 adds model-specific RF and flexible input/output capabilities
Installation and compatibility
Choose the correct model for the required supply, total load and dry-contact or RF features. Installation belongs inside a suitable electrical enclosure.
A 2.4 GHz Wi-Fi network is required. App and third-party integration availability depends on the selected ecosystem.
Safety notice: Electrical ratings, wiring method and load type must be checked before installation. Mains-powered devices should be installed by a qualified electrician.
Manufacturer reference: https://sonoff.tech/products/sonoff-4chr3-4chpror3-4-gang-wi-fi-smart-switch-with-rf-control





