Shelly Pro 3EM-3CT63

Name: Shelly Pro 3EM-3CT63
Brand: Shelly

Shelly / SPEM-003CEBEU63

Last checked 2026-10-20

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Does the Shelly Pro 3EM-3CT63 work with HomeKit, Alexa, and Google Home?

The Shelly Pro 3EM-3CT63 is a DIN-rail single or three-phase energy meter that comes with a combined three-phase current transformer.

The transformer mounts over a circuit breaker and measures up to 63 A. 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 Pro 3EM-3CT63 facts
Fact	Value
Status	Current[2][3]
List price	$150.99[4] as of October 14, 2026
Generation	Pro[5]
Model code	SPEM-003CEBEU63[6]
Measurement	Single-phase or three-phase, up to 63 A[6]
Current sensing	Combined three-phase current transformer (3CT63)[6]
Relay output	None; contactor control through the Pro 3EM Switch Add-on[6]
Mounting	DIN rail[6]
Radio	Ethernet, 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 Pro 3EM-3CT63 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 Pro 3EM-3CT63
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 Pro 3EM-3CT63. Smart Home Canon. https://smarthomecanon.com/devices/shelly-pro-3em-3ct63. Last checked 2026-10-20.