Nous B5Z Zigbee Mini Smart Switch Module (1 Channel with Energy Monitoring)
Code: B5Z-2KSRelated products
Product detailed description
⚡Control your home smartly and efficiently
The compact 1-channel Nous B5Z module with ZigBee 3.0 technology easily turns your ordinary switch or socket into a smart device. It is designed for discreet installation directly behind a switch in the junction box, from where it allows you to conveniently control lighting or appliances remotely. Not only will it seamlessly fit into your smart home ecosystem, but it will also provide you with precise electrical energy consumption data directly in the app.

Benefits
📶 Thanks to the ZigBee 3.0 protocol, you get a fast, stable, and energy-efficient connection taking advantage of a mesh network. A huge benefit is that this standard does not overload your home Wi-Fi network, ensuring immediate response and 100% reliability for all your smart automations. For the flawless operation of the module, connection via a compatible ZigBee gateway (hub) is required.
📊 With the built-in energy monitoring, you get a perfect overview of how much electricity your connected lights or appliances consume, allowing you to better optimize household expenses. Moreover, the module connects modern technology with tradition – alongside convenient remote control via a smartphone, it fully retains the option of classic manual control using a physical button.
🔌 A power outage will no longer disrupt your smart scenes. The Nous B5Z module features a practical state memory, allowing you to specify exactly in the app how it should behave after power is restored. The device can remain off, turn on immediately, or automatically return to the last known state. You will appreciate this feature especially for the seamless continuation of your schedules and the smooth running of your home automation.
🛡️ Your appliances are perfectly safe thanks to the integrated protection against overload, overvoltage, and undervoltage, ensuring highly reliable operation. However, the module is not only safe but also exceptionally versatile – support for smart scenes, timers, automations, and group control opens the door to the carefree management of multiple devices simultaneously.
📱 The Nous B5Z smart switch easily communicates with your existing smart ecosystem. You can seamlessly integrate it into popular apps like NOUS Smart, Tuya Smart, Smart Life, or the advanced Home Assistant system. Full voice assistant support also contributes to perfect comfort – with Amazon Alexa, Google Assistant, SmartThings, and Siri Shortcuts, controlling lights or appliances gains an extremely convenient hands-free dimension.
⚙️ High-quality construction from durable PC+ABS material predetermines this module for long-term and trouble-free daily operation in your home. At its heart is a reliable electromechanical relay, complemented by exceptional energy efficiency – with standby power consumption below 1 W, you get a solution that is not only highly practical but also friendly to your wallet.
Specifications
🏷️ Brand and model: Nous B5Z
📦 Package contents: 2 pcs
⚙️ Type: 1-channel ZigBee smart switch module with energy monitoring
🔌 Wiring: Relay contacts switch the neutral wire (N)
🌉 Hub requirement: Requires a compatible gateway (ZigBee 3.0 hub)
🛜 Connectivity: ZigBee 3.0 protocol (IEEE 802.15.4 communication standard)
📏 Dimensions: 29 × 34 × 17 mm
⚖️ Weight: 21 g
⚡ Operating voltage: 100 – 240 V AC, 50/60 Hz
💪 Maximum load: 8 A / 2000 W
🌡️ Operating temperature: -20 °C to +40 °C
📡 Frequency range: 2.400 – 2.483 GHz (max. transmit power 10 dBm)
🌱 Standby power consumption: < 1 W
🛡️ Safety protection: Overcurrent (> 8.5 A), overvoltage (> 265 V), undervoltage (< 85 V)
📜 Certification: CE, RoHS
Additional parameters
| Category: | Smarthome products |
|---|---|
| Warranty: | 2 years |
| EAN: | 5903206938137 |
| ? Wireless protocol: | Zigbee |
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Discussion
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The Nous brand brings products specifically designed for the Tuya Smart (Smart Life) application, which is available for free for both Android and iOS. Installation is incredibly simple – once you download the app, you can immediately start adding your Wi-Fi devices.
If you plan to expand your smart home with Nous sensors, simply add the central E1 gateway to the app first. Nous products excel in their great price-to-quality ratio and are fully compatible with the widely used Tuya ecosystem.

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