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Zooz ZEN78 High Power Relay

Zooz / ZEN78, ZEN78 800LR

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Zooz Z-Wave Long Range High Power Relay ZEN78 800LR, product image
Image: Zooz

Does the Zooz ZEN78 High Power Relay work with HomeKit, Alexa, and Google Home?

The ZEN78 High Power Relay is a Z-Wave relay for 120–240 V loads up to 40 A with energy reporting for watts, kWh, volts and amps.

Z-Wave chip: 800 series. It supports Z-Wave Long Range on a hub that supports it. Zooz states compatibility with Home Assistant, Hubitat and SmartThings. It suits SmartThings and Home Assistant users through an integration (Z-Wave).

At a glance: works withHow this is decided: cited platform facts only
HomeKit
Unknown
Unknown
Google Home
Unknown
Unknown
Alexa
Unknown
Unknown
SmartThings
Yes[1]
Z-Wave, via integration
Home Assistant
Yes[1]
Z-Wave, via Z-Wave JS

Key facts

Zooz ZEN78 High Power Relay facts

How facts are sourced: every cell cites its source below
FactValue
StatusCurrent[2]
TypeHigh power relay[3]
Z-Wave chip800 series[3][4]
Long RangeYes[3][4]
Power120-240 VAC, 60 Hz[4]
Rating40 A, 9600 W resistive[4]
Range300 ft line of sight, 1,300 ft with Long Range[4]
InstallationIndoor only (IPX3)[3][4]
HubsHome Assistant, Hubitat, SmartThings[1]
Released2025-09[5]

Integration paths

How the Zooz ZEN78 High Power Relay connects

1 pathHow facts are sourced: every cell cites its source below
PathRequiresiLocaliFeatures lostPlatformsi
Z-WaveHUBZ-Wave hub or controller[1]unknownunknown
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

Ways to add the Zooz ZEN78 High Power Relay

1 routeHow facts are sourced: every cell cites its source below
PlatformLeveliIntegrationDetailsEvidenceLimitations
Home AssistantVia Zigbee/Z-Wave[6–8]zwave_jsZ-WaveModel namedNone 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.

Releases

  1. 2025
    1. Released [5]

      Version 1.10, original release.

Cite this page

Zooz ZEN78 High Power Relay. Smart Home Canon. https://smarthomecanon.com/devices/zooz-zen78-high-power-relay. Last checked 2026-10-20.

Sources

  1. [1]
    MFRsupport.getzooz.com / Zooz Support Center: ZEN78 High Power Relay compatible hubs
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  2. [2]
    MFRgetzooz.com / Zooz: product portfolio
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  3. [3]
    MFRgetzooz.com / Zooz: ZEN78 High Power Relay (product page)
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  4. [4]
    MFRsupport.getzooz.com / Zooz Support Center: ZEN78 High Power Relay specs
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  5. [5]
    MFRsupport.getzooz.com / Zooz Support Center: ZEN78 High Power Relay change log
    Accessed Back to text
  6. [6]
    DBgithub.com / Z-Wave JS device database: Zooz ZEN78
    Accessed Back to text
  7. [7]
    DOChome-assistant.io / Home Assistant: Zooz integration
    Accessed Back to text
  8. [8]
    DOCworks-with.home-assistant.io / Works with Home Assistant: certified devices (Zooz)
    Accessed Back to text