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ION Industries 90.500.090 in Home Assistant

Wall switches · Zigbee · Zigbee Dimmer Master/Slave set

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.

Facts about this device

Brand
ION Industries
Model
90.500.090
Device type
Wall switches
Radio
Zigbee
Reports itself as
_TZE200_0hb4rdnp
Same device as
Tuya TS0601_dimmer_1_gang_1
Also sold as
Earda EDM-1ZAA-EU, Earda EDM-1ZAB-EU, Earda EDM-1ZBA-EU, ION Industries 90.500.040, ION Industries ID200W-ZIGB, Larkkey ZSTY-SM-1DMZG-EU, Lerlink X706U, Lonsonho EDM-1ZBB-EU, Mercator Ikuü SSWD01, Mercator Ikuü SSWM-DIMZ, Mercator Ikuü SSWRM-ZB, Moes EDM-1ZBB-EU, Moes MS-105Z, Moes ZS-EUD_1gang, Moes ZS-SR-EUD-1, Moes ZS-USD, Zemismart ZN2S-US1-SD
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

Requests for ZHA support

  • support requested The Mercator Ikuü Dimmer Switch is unreliable in ZHA due to inconsistent behavior. This issue requests proper support to ensure stable operation with Home Assistant. since October 5, 2026 · zha-device-handlers #5406
  • support requested A Zigbee wall dimmer from Sensbi is not working with ZHA. Adding support would let ZHA control lighting brightness via this dimmer. since April 24, 2026 · zha-device-handlers #4945

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: _TZE200_dfxkcots / TS0601

63 more quirks 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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