Ubiquiti Protect Relay

Name: Ubiquiti Protect Relay
Brand: Ubiquiti

Ubiquiti / USL-Relay, USL-Relay-US

Last checked 2026-10-20

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Part of the UniFi Protect sensors, alarms and chimes line

Ubiquiti UniFi Protect Relay — Image: Ubiquiti

Does the Ubiquiti Protect Relay work with HomeKit, Alexa, and Google Home?

The Protect Relay connects third-party sensors and signaling devices through its dry-contact inputs and outputs. It is a compact SuperLink relay. It suits Home Assistant users, with native support through the maker's hub.

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

HomeKit

Unknown

Google Home

Unknown

Alexa

Unknown

SmartThings

Unknown

Home Assistant

Yes[1]

Proprietary + hub, native

Key facts

Ubiquiti Protect Relay facts

How facts are sourced: every cell cites its source below

Ubiquiti Protect Relay facts
Fact	Value
Status	Current[2]
List price	$39[2] as of October 10, 2026
Type	Hub, relay and key fob[3]
Connection	SuperLink[3]
Power	12, 24 or 48 V DC[3]
Range	2 km[3]
What it does	Dry-contact outputs and inputs for third-party devices[3]
US availability	Available[2]

Integration paths

How the Ubiquiti Protect Relay connects

1 pathHow facts are sourced: every cell cites its source below

How the Ubiquiti Protect Relay connects
Path	Requiresi	Locali	Features lost	Platformsi
Proprietary + hub, needs HUB	A SuperLink Gateway, A UniFi console running UniFi Protect[3][4]	unknown	unknown	Home Assistant: Native[1] Integration: unifiprotect Homey: Via integration[5] Integration: com.ubnt.unifiprotect

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.

Home Assistant and Homey

Home Assistant: Native (local)[1]
Homey: Community app[5]

Ways to add the Ubiquiti Protect Relay

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

Ways to add the Ubiquiti Protect Relay
Platform	Leveli	Integration	Details	Evidence	Limitations
Home Assistant	Native (local)[1]	unifiprotectProprietary + hub	Quality: Platinum[1] IoT class: Local Push[1] Works with Home Assistant: Not certified[1]	Product line named	Limited: Needs UniFi Protect on a UniFi OS Console (Protect 7.2.105 or later); a local user and an API key are required[1]
Homey	Community app[5]	com.ubnt.unifiprotectProprietary + hub	App: Community[5] Runs on: Homey Pro[5]	Product line 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.

Cite this page

Ubiquiti Protect Relay. Smart Home Canon. https://smarthomecanon.com/devices/unifi-protect-relay. Last checked 2026-10-20.

Sources

[1]
DOChome-assistant.io / UniFi Protect - Home Assistant
Accessed 2026-10-20Back to text
[2]
MFRstore.ui.com / UniFi US store: Protect Relay
Accessed 2026-10-10Back to text
[3]
MFRtechspecs.ui.com / UniFi Tech Specs: Protect Relay (USL-Relay)
Accessed 2026-10-10Back to text
[4]
MFRhelp.ui.com / UniFi SuperLink Gateway Setup and FAQs (help.ui.com)
Accessed 2026-10-10Back to text
[5]
DOChomey.app / Homey App Store: Ubiquiti UniFi Protect and Access
Accessed 2026-10-20Back to text