2026 verdict
Shelly Plus 2PM is the pick when a box holds two circuits or a motor, thanks to its two channels and per-channel energy monitoring.
It adds interlock mode for roller shutters, blinds and garage doors and lists overheating, overvoltage, overcurrent and overpower protection plus a 3-year warranty. The
Shelly 1 Gen3 is the lower priced single-channel relay and answers with Matter and Apple Home support, which the
Shelly Plus 2PM lacks, a 16A rating against 10A, and full Bluetooth. Both offer dry and wet contact modes, share the 37 x 42 x 16 mm body and work with Alexa, Google Home, SmartThings and Home Assistant. Buy the
Shelly Plus 2PM for shutters or two lights with metering, and the
Shelly 1 Gen3 for one circuit or an Apple Home setup.
What owners say
Owners of both Shelly relays value running them locally through Home Assistant without depending on the cloud. Shelly Plus 2PM owners, often with several units installed over years, praise the cover mode that turns a plain switch into precise shutter and curtain control, and they complain about the neutral wire older boxes lack, units that run warm and no position feedback. Shelly 1 Gen3 owners describe it as a do-anything building block, wired into a ceiling box when the switch has no neutral, scripted on the device or flashed with ESPHome, and used for garage doors, pumps and irrigation; their complaints are no energy monitoring, a tight fit in small boxes and no push notifications.
