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Inovelli VZM31-SN in Home Assistant

Wall switches · Zigbee · 2-in-1 switch + dimmer

Zigbee2MQTT Quirk included in ZHA 2 open reports

This device is known to both Zigbee integrations: Zigbee2MQTT has a definition for it, and ZHA has a quirk that adapts it.

We have a detailed page on this device with compatibility ratings and prices. Details and compatibility

Facts about this device

Brand
Inovelli
Model
VZM31-SN
Device type
Wall switches
Radio
Zigbee
Power
Mains powered
Reports itself as
VZM31-SN
Zigbee2MQTT
Device page on zigbee2mqtt.io

How the device gets into Home Assistant

  • official ZHA – with a Zigbee coordinator and the ZHA integration; the quirk the device needs is part of ZHA. Integration
  • add-on Zigbee2MQTT – Zigbee2MQTT runs as an add-on and passes the device on to Home Assistant over MQTT. Integration · Source

Known problems and fixes

Open problems

  • open An issue requests cleanup of leftover entities after updating Inovelli VZM quirks to version 2. This would remove unused entities and keep the Home Assistant interface tidy. since July 29, 2026 · zha-device-handlers #5218
  • open A bug report for a Philips Hue contact sensor that blinks red when its state changes, which may be unintended behavior. since May 20, 2026 · zha-device-handlers #5020

Changes proposed for ZHA

  • pull request Inovelli smart switches do not recognize button presses properly. The proposed change would create separate entities for each button press, improving automation possibilities. since October 20, 2026 · zha-device-handlers #5483

ZHA quirks for this device

Quirk included in ZHA Recommended quirk

Part of ZHA – Home Assistant uses it on its own, nothing to install.

Source: zha-device-handlers · since zha-quirks 2.2.2
Signature: Inovelli / VZM31-SN

1 more quirk for this device

All quirks in the ZHA quirk database →

Alternatives

The same job from other makers – devices of the same type and radio that work with Home Assistant too.

Sources: Zigbee2MQTT, ZHA quirks, Z-Wave JS, the Matter certification database, Shelly, ESPHome, Tasmota, Tuya Local and the issue trackers on GitHub. Reports are assigned to a device by the identifiers they contain; the sentences come from the integration pages, where a language model writes them from the titles.

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