Nous B1Z – Zigbee 3.0 Smart Switch / Voltage-Free Relay (1-Channel, 16 A)

Compact Zigbee relay module with dry contact output for smart home automation

The Nous B1Z is a small Zigbee 3.0 smart switch module designed for in-wall or in-box installation. It features a **voltage-free (dry contact) relay** output capable of handling up to **16 A AC or 10 A DC**. It integrates with Zigbee hubs and smart home platforms for remote control, automation, and voice assistant support.

Key Features

• Zigbee 3.0 Connectivity: Works with Zigbee 3.0 hubs such as Nous E1, Tuya, Smart Life, and Home Assistant (via Zigbee2MQTT / ZHA)
• Voltage-Free / Dry Contact Output: Ideal for controlling circuits, garage doors, relays, or other automation loads without directly switching mains power
• Single Channel: One relay output with independent control
• Wide Voltage Range: 100–240 V AC or 12–48 V DC supply
• Smart Control: Remote on/off and automation via smartphone app or Zigbee gateway
• Voice Assistant Support: Compatible with Amazon Alexa and Google Assistant when used with a Zigbee hub

Technical Specifications

• Manufacturer: Nous
• EAN: 5905072800471
• Model: NOUS-B1Z
• Wireless Protocol: Zigbee 3.0 (IEEE 802.15.4)
• Operating Voltage Range: 100–240 V AC / 12–48 V DC
• Maximum Load: 16 A AC / 10 A DC
• Dimensions: Approx. 42 × 37 × 16 mm
• Weight: Approx. 30 g
• Protection Rating: IP20
• Operating Temperature: 0 °C – 40 °C

Applications

• Remote switching of lights, relays, or motors via Zigbee automation
• Controlling voltage-free loads such as garage doors, electric gates, or boilers
• Integration with smart home platforms (Home Assistant, Tuya/Smart Life, Alexa, Google Home)

Package Contents

1 × Nous B1Z Zigbee Smart Switch Module (dry contact relay)
User Manual

Quantity Per Unit

1 × Nous B1Z per package

Keywords

Nous B1Z, NOUS-B1Z, Zigbee 3.0 smart switch, voltage-free relay, dry contact module, 1 channel 16 A.