Shelly
Shelly i4 Gen3. Smart 4-Input Controller for Scenes, Automation & Multi-Click Control (Open Box)
Shelly i4 Gen3. Smart 4-Input Controller for Scenes, Automation & Multi-Click Control (Open Box)
SKU:i4 Gen 3_OB_AN
Condition: Open Box
Open Box units may include manufacturer warranty when applicable and/or a Digital Bay Tech limited replacement warranty for manufacturing defects.
See warranty details below.
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The Shelly i4 Gen3 is a smart 4-input controller designed to trigger scenes, automation, and device control in your smart home.
Installed behind a wall switch, the i4 Gen3 allows you to control lights, devices, and automation scenes using multi-click actions such as single press, double press, or long press.
Powered by the new ESP-Shelly-C38F chip with 8MB memory, it supports advanced automation features including MQTT, scripting, webhooks, WebSocket, and KNX integration.
Perfect for homeowners, integrators, and automation systems looking for flexible and powerful scene control.
3 Years Manufacturer Warranty
Why Choose Shelly i4 Gen3
The Shelly i4 Gen3 transforms any traditional wall switch into a powerful smart automation controller.
Instead of directly switching loads, the device sends commands to your smart home system, allowing you to trigger complex scenes, control multiple devices, and automate routines using simple button presses.
With support for up to 16 actions per switch, it provides exceptional flexibility for smart home automation
Key Features
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4 Digital Inputs
Control up to four switch inputs to trigger scenes, automation, or device actions. -
Multi-Click Scene Control
Supports single, double, triple, and long press actions – enabling up to 16 possible commands. -
Wi-Fi Connectivity
Connect directly to your Wi-Fi network with no hub required. -
Bluetooth Support
Quick device pairing and ability to act as a Bluetooth gateway for other Shelly devices. -
Advanced Automation Support
Compatible with MQTT, Webhooks, HTTP, WebSocket, HTTPS, UDP, and TLS. -
Powerful Gen3 Hardware
Powered by the ESP-Shelly-C38F processor with 8MB memory for faster performance and advanced scripting. -
KNX Integration
Supports KNXnet/IP communication, enabling integration with professional automation systems. -
Wide Voltage Range
Operates on 110-240V AC, making it suitable for most installations worldwide. - Scripting: https://shelly-api-docs.shelly.cloud/gen2/Scripts/ShellyScriptLanguageFeatures/
- Virtual Components: https://shelly-api-docs.shelly.cloud/gen2/DynamicComponents/Virtual/
What Can You Control with Shelly i4 Gen3
With Shelly i4 Gen3 you can control multiple smart devices and automation scenes such as:
• Turning lights on or off
• Activating “Movie Night” scenes
• Controlling smart blinds or shades
• Triggering security modes
• Controlling smart plugs and appliances
• Running custom automation routines
All from a single wall switch.
Functionalities
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Wi-Fi Operated
Connect Shelly i4 Gen3 to your Wi-Fi network. No HUB required!
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Wide range of voltage support
Shelly i4 Gen3 can be powered by 110-240 V AC.
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Smart scenes
Set custom scenes by combining Shelly i4 Gen3 with your other Shelly devices.
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Bluetooth
Add devices quickly and easily via Bluetooth connection or use as a Bluetooth gateway.
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Scripting
Shelly i4 Gen3 fully supports mjS scripting, allowing you to create custom features and functionalities.
No hub required, Universally compatibleShelly Products can be controlled locally, directly and without a hub through your smartphone/table with Shelly App - no hub or other equipment needed. Enable cloud feature and get remote control from anywhere. At the same time, you can integrate Shelly directly with virtually every smart home hub, voice assistant, open source platform, or premium control system. |
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No hub required, Universally compatibleShelly Products can be controlled locally, directly and without a hub through your smartphone/table with Shelly App - no hub or other equipment needed. Enable cloud feature and get remote control from anywhere. At the same time, you can integrate Shelly directly with virtually every smart home hub, voice assistant, open source platform, or premium control system. |
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| Specification | Details |
|---|---|
| Physical | |
| Size (HxWxD): | 37x42x16 / 1.46x1.65x0.63 |
| Weight: | 19 g / 0.67 oz |
| Screw terminals max torque: | 0.4 Nm / 3.5 lbin |
| Conductor cross section: | 0.2 to 2.5 mm² / 24 to 14 AWG (solid, stranded, and bootlace ferrules) |
| Conductor stripped length: | 6 to 7 mm / 0.24 to 0.28 in |
| Mounting: | Wall box |
| Shell material: | Plastic |
| Shell color: | Orange |
| Terminal Color: | Black |
| Environmental | |
| Ambient working temperature: | -20 °C to 40 °C / -5 °F to 105 °F |
| Humidity: | 30 % to 70 % RH |
| Max. altitude: | 2000 m / 6562 ft |
| Electrical | |
| Power supply: | 110 - 240 V⎓, 50/60 Hz |
| Power consumption: | < 1 W |
| Sensors, meters | |
| Internal-temperature sensor: | Yes |
| Radio | |
| Wi-Fi | |
| Protocol: | 802.11 b/g/n |
| RF band: | 2401 - 2483 МHz |
| Max. RF power: | < 20 dBm |
| Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
| Bluetooth | |
| Protocol: | 4.2 with BLE |
| RF band: | 2400 - 2483.5 MHz |
| Max. RF power: | < 4 dBm |
| Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
| Microcontroller unit | |
| CPU: | ESP-Shelly-C38F |
| Flash: | 8MB |
| Firmware capabilities | |
| Webhooks (URL actions): | 20 with 5 URLs per hook |
| Scripting: | Yes |
| MQTT: | Yes |