The SONOFF EF3G is a triple-gang cover frame designed for smart home installations. It provides a clean, unified finish for up to three connected devices in a single wall box.
Three-gang design consolidates multiple smart devices into one flush-mounted frame
White finish blends seamlessly with modern interior décor
Compact 228 x 86 mm dimensions fit standard European wall boxes
Stand-alone operation — no central hub or gateway required
What makes the SONOFF EF3G stand out
The EF3G replaces the need for multiple individual faceplates by housing up to three smart modules behind a single, cohesive cover. Its neutral white colour and slim profile keep the focus on the devices behind it rather than the frame itself.
Ideal for...
Homeowners and installers looking to tidy up multi-device wall setups in living rooms, hallways, or offices where three smart switches or sensors share one junction box.
Application of SONOFF EF3G
Mount up to three SONOFF smart modules (e.g. switches, sensors) into a standard European double-gang wall box
Secure the EF3G frame over the modules and fasten with the included screws
Connect each module to the SONOFF eWeLink app independently for configuration and automation
SONOFF is a smart home brand specialising in wireless switching and monitoring modules. The product line covers Wi-Fi and RF-based devices for residential automation, sold through specialist retailers across Europe.
It is a three-gang faceplate that houses up to three smart modules (switches, sensors, or relays) in a single wall box, providing a neat, unified appearance.
No. The EF3G operates in stand-alone mode and does not need a central hub. Each module connected behind the frame is configured independently.
The frame measures 228 x 86 mm and fits standard European double-gang wall boxes.
The frame is made of durable white plastic (Kunststoff) designed for indoor wall installation.
SONOFF provides a 24-month manufacturer warranty on the EF3G cover frame.
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