Shelly EM Gen3

Name: Shelly EM Gen3
Brand: Shelly

Shelly / S3EM-002CXCEU

Last checked 2026-10-20

Amazon links here are plain search links and earn this site no commission. Disclosure

Does the Shelly EM Gen3 work with HomeKit, Alexa, and Google Home?

The Shelly EM Gen3 is a single-phase energy meter with two current-transformer channels and a dry-contact relay output.

A 50 A clamp comes with it, and the shop also lists EM kits with clamps. It suits Home Assistant users through an integration (local Wi-Fi control).

At a glance: works withHow this is decided: cited platform facts only

HomeKit

Unknown

Google Home

Unknown

Alexa

Unknown

SmartThings

Unknown

Home Assistant

Wi-Fi local, via Shelly

How facts are sourced: every cell cites its source below

Shelly EM Gen3 facts
Fact	Value
Status	Current[2][3]
List price	$69.99[4] as of October 20, 2026Price is for the version with the 50 A clamp.
Generation	Gen3[5]
Model code	S3EM-002CXCEU[6]
Measurement	Single-phase, two channels, up to 80 A with current transformers[6]
Current sensing	Current transformers: 50 A included, 80 A compatible[6]
Relay output	Dry contact, 2 A at 240 V~[6]
Mounting	Wall box or electrical cabinet[6]
Radio	Wi-Fi, Bluetooth 4.2[6]
Matter	unknown
Local API	HTTP API, MQTT and webhooks[6][7]

2 pathsHow facts are sourced: every cell cites its source below

How the Shelly EM Gen3 connects
Path	Requiresi	Locali	Features lost	Platformsi
Wi-Fi local	Nothing extra[1][6]	Yes[1][6]	unknown	Home Assistant: Via integration[1] Integration: Shelly Homey: Native[8] Integration: cloud.shelly
Wi-Fi cloud	Vendor cloud account[6]	No[6]	unknown	unknown

About these columns

Requires: Hardware the path needs beyond the device and a controller.
Local: Yes when control on this path keeps working with the internet down.
Platforms: The platforms that work with the device on this path: Native (out of the box), Via integration (needs an add-on) or Not supported.

2 routesHow facts are sourced: every cell cites its source below

Ways to add the Shelly EM Gen3
Platform	Leveli	Integration	Details	Evidence	Limitations
Home Assistant	Native (local)[1]	shellyWi-Fi local	Quality: Platinum[1] IoT class: Local Push[1] Works with Home Assistant: Not certified[1]	Product line named	None stated
Homey	Official app (local)[8]	cloud.shellyWi-Fi local	App: Official[8] Runs on: Homey Pro[8]	Model named	None stated

About these columns

Level: How the device gets into the platform on this route. The headline is the best route: local before cloud, direct before bridged, core before community. The methodology page lists every level.

Shelly EM Gen3. Smart Home Canon. https://smarthomecanon.com/devices/shelly-em-gen3. Last checked 2026-10-20.