The NOUS D3T is a smart Wi-Fi relay module for DIN-rail mounting in electrical cabinets, specifically designed for smart control and energy metering of electrical devices and circuits. The module's 25A maximum capacity makes it suitable for controlling the largest household circuits and loads.
The open source Tasmota firmware offers flexible configuration and integration options. It enables fully local operation of the smart relay module, with a local web configuration interface available on the device. Thanks to the Tasmota firmware, the device also supports the MQTT protocol, so it integrates seamlessly with most open source smart home systems, such as Home Assistant. Note: Tasmota firmware is not a commercial product and only limited community technical support is available.
Other compatible platforms are: AWS IoT, Domoticz, Homebridge, HomeSeer, IP Symcon, KNX, NodeRed, nymea, OctoPrint, openHAB, Otto, IOBroker, Mozilla WebThings Adapter, Tasmohab, Homematic ip. For more information on Tasmota's integration capabilities, please visit https://tasmota.github.io/docs/Integrations/
This high-quality, compact, yet powerful device is ideal for use in both home and corporate environments. The module's user-friendly design allows for quick installation, while robust materials and reliable operation provide users with long-term security.
Key features:
- Brand: NOUS
- Type: D3T
- Colour: White
- Material: PC/ABS (V0)
- Consumption measurement: yes
- Switch on the module: yes
- Input for external switch: no
- Certificates: CE, RoHS
Technical data:
- Size: 82x50x15 mm
- Maximum load: 25A
- Operating temperature: -25 - 70 ℃
- Operating voltage range: 90V-240V AC
- IP protection: IP20
- Communication standard: Wi-Fi IEEE 802.11b/g/n, 2.4 GHz only
- Protocols: MQTT
- Compatible with Matter smart home standard
- Smartphone control: local web interface, Home Assistant hub; via Matter connection: Google Home, Alexa, SmartThings, Apple HomeKit, etc.
- Compatibility with voice assistants: Alexa, Google Assistant, and Siri (via Home Assistant or Matter connection only)
Integration and compatibility:
The NOUS D3T can be easily integrated with various smart home systems such as Home Assistant and is also compatible with platforms such as Google Home, Alexa, SmartThings, Apple HomeKit and eWeLink, thanks to its compatibity with the Matter standard.
Installation and use:
The device can be DIN rail mounted and, thanks to the Tasmota firmware, can be flexibly configured for fully local use. When connecting to a Wi-Fi network, make sure that the network operates at 2.4 GHz, as the device does not support 5 GHz Wi-Fi networks. Once connected, setup and calibration can be done via the web interface.
The NOUS D3T is an ideal choice for those looking for a reliable and versatile smart relay for their home automation needs that can be mounted on an electrical cabinet DIN rail, especially when integration with open source smart home systems or Matter-compliant systems is required.
Additional information
| General |
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| Brand | Nous |
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| Factory SKU ID | NOUS D3T |
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| Smart home protocols |
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| Bluetooth | Bluetooth used for app pairing |
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| Remote control, smart control |
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| Controllable from internet | yes |
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| Cloud mode | can be used in local mode with a Matter hub |
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| More features |
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| Bundle | No |
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| Colour | white |
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| Compatible with Matter standard | yes |
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| _Device power supply | (110V-)230V AC (L+N) |
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| Device power supply | 110V-240V AC |
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| Dimmer feature | no |
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| DIN rail compatible | yes |
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| Direct local remote control | no |
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| Dry contact (voltage free) switching | no |
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| Ethernet (RJ-45) | no |
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| External switch supported | no |
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| IP rating | IP20 |
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| LAN mode | yes, works just in the local area network mode, with full functionality (adjustable) |
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| Main category | relay |
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| Manufacturer smartphone app | app is depending on which Matter smart home system it is used with |
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| MQTT support | yes |
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| NO/NC switch | no |
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| Number of gangs / circuits | 1 |
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| Number of phases | 1P |
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| Operating temperature range | -5°C – +40°C |
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| Physical on/off button on device | yes |
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| Power consumption metering | yes |
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| Rated current (output) | 25A |
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| Rated voltage (output) | 90V-240V AC |
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| REST API support | yes |
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| RF transmitter / receiver | no |
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| Schedulers, timers | yes |
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| Size | 8,2 x 5 x 1,5 cm |
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| Supported protocols | Wi-Fi |
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| Thread | no |
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| Type of the product | consumption meter, relay |
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| Warranty type | Warranty |
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| Web admin interface | yes |
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| Wi-Fi | yes |
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| Wi-Fi standards | 802.11 b/g/n (2.4GHz) |
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| Zigbee | no |
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| Z-Wave | no |
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| History / Event log | yes |
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| Dimensions | 8,2 × 1,5 × 5,0 cm |
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