Shelly I4 Gen 3

Shelly i4 Gen3 Smart Wi-Fi Switch Input

Shelly i4 Gen3 is an advanced smart Wi-Fi switch input module that lets you manually activate or deactivate scenes, trigger synchronized actions, or execute complex automation scenarios. Compact and versatile, it fits behind any standard wall switch and allows full control and monitoring of up to four independent inputs.

Powered by a next-generation processor and increased memory, Shelly i4 Gen3 delivers enhanced performance and reliability. It seamlessly integrates with other Shelly devices, sensors, or any system that supports HTTP and MQTT communication.

Key Features

• Wi-Fi Connectivity: Connects to your home Wi-Fi network for remote monitoring and control.
• Alexa Integration: Compatible with Amazon Alexa for voice-activated control and smart routines.
• Local & Cloud Control: Operates independently on your local Wi-Fi or via cloud automation services.
• Bluetooth Connectivity: Supports BLE gateway for easier device inclusion and setup.
• User-Friendly Interface: Built-in reset button for quick access and configuration.
• Improved Performance: Equipped with an upgraded processor and expanded memory for smoother operation.
• Embedded Web Interface: Control and configure your device directly through its integrated web interface.
• Wireless Connectivity: Supports Wi-Fi (802.11 b/g/n) and Bluetooth 4.2 with extended indoor and outdoor range.
• BLE Gateway: Bridges Shelly BLU devices to your network, sending Bluetooth signals locally or to the cloud.
• Wi-Fi Range Extender: Expands the range of your existing Wi-Fi network for IoT devices.
• Scripting Support: Create custom automations using the Shelly Script Language.
• Wide Integration Support: Compatible with HTTP API, MQTT(s), Web Hooks, and UDP protocols.
• Virtual Components: Supports Shelly Virtual Components for advanced automation.

Use Cases

• Remote Appliance Control: Switch appliances on or off from anywhere using your smartphone, tablet, or automation system.
• Smart Home Automation: Create automated routines for lighting, HVAC, or appliances for enhanced comfort and efficiency.
• Internet-Connected Convenience: Control and monitor connected devices remotely via the Shelly Cloud app.

Applications

• Residential smart homes
• Multi-Dwelling Units (apartments, hotels, condominiums)
• Light commercial environments (offices, retail stores, cafes, etc.)
• Government and municipal buildings
• Educational facilities (schools, universities, colleges)

Smart Home Integrations

• Amazon Alexa: Supported via virtual device routine.
• Google Smart Home: Not supported.
• Samsung SmartThings: Not supported.

Device Specifications

• Power Supply: 110–240 V~ 50/60 Hz
• Power Consumption: < 1 W
• Inputs: 4 switch/button inputs (SW1–SW4)
• Outputs: None
• Processor: ESP-Shelly-C38F CPU with 8MB flash memory
• Wi-Fi Protocol: 802.11 b/g/n (2.4 GHz)
• Bluetooth: Version 4.2 with BLE
• Operating Temperature: -20°C to 40°C
• Dimensions (HxWxD): 37 x 42 x 16 mm
• Weight: 19 g
• Material: Durable orange plastic housing
• Mounting: Fits standard Australian wall boxes
• Safety Feature: Built-in overheating protection

Connectivity Indicators

• LED Status: Displays Wi-Fi and cloud connection states for quick diagnostics.
• Button Functions:
  • Press & hold 5 seconds – Enable Access Point/Bluetooth.
  • Press & hold 10 seconds – Factory reset.

Why Choose Shelly i4 Gen3?

Shelly i4 Gen3 is the perfect solution for modernizing your home or business automation. Compact, powerful, and flexible, it gives you full control of your environment while maintaining compatibility with existing Shelly and third-party systems. Whether you’re building a smart home from scratch or upgrading an existing setup, the i4 Gen3 delivers unmatched functionality and reliability.

Designed for seamless integration with Australian electrical systems (230V AC).