Shelly - Wifi, Zigbee, Matter dry contact switch module Shelly 1 Gen4

Shelly 1 Gen4 - Multi-Protocol Dry Contact Switch Module

The Shelly 1 Gen4 is a compact smart module with a dry contact, allowing you to control lights, doors, shutters, and electrical appliances. Designed for installation behind switches or sockets, it supports local and remote control via multiprotocol connectivity (Wi-Fi, ZigBee, Matter, and Bluetooth). With wide compatibility, it integrates seamlessly into major home automation systems for versatile applications in residential, commercial, and industrial environments.

Main Features

• Multi-protocol connectivity: Wi-Fi, ZigBee, Matter, and Bluetooth
• Functions as Wi-Fi & ZigBee repeater and Bluetooth gateway
• Dry contact for low- and high-voltage device control
• Real-time protection with internal temperature sensor
• Hubless operation with Shelly Smart Control app
• Voice assistant compatibility: Alexa, Google Home, Apple HomeKit (via Matter)
• Advanced support: scripts, HTTPS, MQTT(S), WebSockets, HTTP API, KNXnet/IP
• Remote control via smartphone, PC, or tablet

Technical Specifications - Shelly 1 Gen4

• Dimensions: 37 × 42 × 16 mm
• Weight: 26 g
• Power Supply: 110–240 V~ / 24–48 V⎓ / 12 V⎓
• Power Consumption: < 1 W
• Max Switching Current: 16 A (240 V~) / 10 A (30 V⎓)
• Integrated Sensor: Internal temperature sensor
• Operating Temperature: -20°C to +40°C
• Humidity: 30%–70% RH
• Max Altitude: 2000 m
• CPU: ESP-Shelly-C68F with 8 MB flash

Radio Specifications

• Wi-Fi: 802.11 b/g/n/ax, range up to 30 m indoors / 50 m outdoors
• Bluetooth 5.0: range 10 m indoors / 30 m outdoors
• ZigBee 3.0: range 100 m indoors / 300 m outdoors

Compatibility

• Voice Assistants: Amazon Alexa, Google Home, Apple HomeKit (via Matter)
• Home Automation Platforms: Home Assistant, Jeedom, SmartThings, Zigbee2MQTT, KNXnet/IP

Examples of Use

• Lighting: switching and programming LED, incandescent, or halogen lamps
• Garage: open/close door with status feedback
• Ventilation: fan automation triggered by humidity or occupancy
• Heating & towel rails: control and scheduling up to 16 A
• Commercial: automation of office lighting or equipment
• Industrial: control pumps, motors, or network devices

Package Contents

• 1 × Shelly 1 Gen4 module
• Installation guide
• Mounting accessories