Tuya SML-03Z-L Compatibility
Switch Module 3 Channel No Neutral · switch Zigbee
The Tuya SML-03Z-L (Switch Module 3 Channel No Neutral) is a Zigbee switch / relay from Tuya. It controls a connected load or circuit, letting you automate lighting and powered devices from your smart-home hub. It's confirmed working across 5 platforms, including ZHA (Home Assistant), Zigbee2MQTT, deCONZ and more. Because it speaks standard Zigbee, the Tuya SML-03Z-L pairs with any Zigbee coordinator once it's joined to one of the supported bridges above.
Compatibility at a glance
Tuya SML-03Z-L is a Zigbee switch from Tuya. It is compatible with: ZHA (Home Assistant), Zigbee2MQTT, deCONZ, Zigbee2Tasmota, Zigbee for Domoticz.
| ZHA (Home Assistant) | ✓ Supported |
| Zigbee2MQTT | ✓ Supported |
| deCONZ | ✓ Supported |
| Zigbee2Tasmota | ✓ Supported |
| ioBroker | ✗ Not supported |
| Zigbee for Domoticz | ✓ Supported |
| iHost | ✗ Not supported |
Where to buy the Tuya SML-03Z-L
The Tuya SML-03Z-L is widely available on Amazon in the US, UK, Canada and across Europe. Prices and stock vary by region — the link below opens results for your local Amazon store.
⚡ Check your region: in-wall devices follow local wiring standards — pick the version sold for your country (US/UK/EU).
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Recommended Zigbee coordinators
The Tuya SML-03Z-L needs a Zigbee coordinator (USB stick) to join your network. These are the ones we'd buy:
As an Amazon Associate, WillItPair earns from qualifying purchases. This doesn't affect what you pay.
Frequently asked questions
Does the Tuya SML-03Z-L work with Home Assistant?
Yes. The Tuya SML-03Z-L is supported in Home Assistant — natively through the ZHA integration. It also works through Zigbee2MQTT.
Is the Tuya SML-03Z-L compatible with Zigbee2MQTT?
Yes, the Tuya SML-03Z-L is supported by Zigbee2MQTT.
What Zigbee hub do I need for the Tuya SML-03Z-L?
Any Zigbee coordinator paired with one of the supported bridges (ZHA (Home Assistant), Zigbee2MQTT, deCONZ, Zigbee2Tasmota, Zigbee for Domoticz) will let you use this device. A SONOFF Zigbee dongle or a ConBee II are common choices.