Shelly
Shelly Plus I4 DC. Digital Input Controller
Shelly Plus I4 DC. Digital Input Controller
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Description
Description
Shelly Plus i4DC: The Wi-Fi Smart Switch for Home and Office Automation
Transform your home or office with the Shelly Plus i4DC, the Wi-Fi smart switch that will revolutionize the way you interact with your surroundings. This compact device fits behind any wall switch and can control up to four different inputs.
Total Remote Control:Thanks to its Wi-Fi connection, you can access and monitor the Shelly Plus i4DC from anywhere with an internet connection, making it easy to manage scenes, synchronized actions, and complex trigger scenarios using connected devices such as other Shelly switches, sensors, or devices controlled via HTTP and MQTT.
Easy Integration:Designed to fit seamlessly into standard electrical boxes, behind outlets or switches, the Shelly Plus i4DC is ideal for any residential or commercial environment, including multi-dwelling units such as apartments and hotels, small retail and office buildings, and government or educational facilities.
Web Interface and Voice Control:Configure and control your Shelly Plus i4DC through its integrated web interface or through voice commands with Alexa, further simplifying its use and adaptability.
Technical Features:Equipped with four inputs for switches or buttons on screw terminals (SW1, SW2, SW3, and SW4) and three power inputs, the Shelly Plus i4DC is ready to handle the needs of any modern installation.
Space Optimization:Its minimalist design and ability to manage multiple devices from a single location make it a perfect ally for optimizing space and energy management in your home or business.
Discover how the Shelly Plus i4DC can help you take your space automation to the next level, offering unprecedented control, efficiency, and convenience.
Connectivity
Connectivity
RF band:2400 - 2495 MHz
Max. RF power:<20 dBm
Wi-Fi protocol:802.11 b/g/n
Wi-Fi Range:Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions)
Bluetooth Protocol:4.2
Bluetooth Range:Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions)
Links of interest
Links of interest
Details:
Connection diagram.
User manual.
Web Interface Guide
Read the Shelly Plus i4DC web interface guide
Components and APIs
Printed user guide
Shelly Plus i4DC multilingual printed user and safety guide.pdf
Compliance
Shelly Plus i4DC multilingual EU declaration of conformity.pdf






The Shelly Plus i4 DC is an advanced Wi-Fi digital input controller designed to optimize the management and automation of electrical systems. This device combines cutting-edge technology with versatility, making it the ideal solution for advanced configurations in homes and commercial environments.
Highlighted Features of the Shelly Plus i4 DC :
The Shelly Plus i4 DC is an advanced Wi-Fi digital input controller designed to optimize the management and automation of electrical systems. This device combines cutting-edge technology with versatility, making it the ideal solution for advanced configurations in homes and commercial environments.
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Wi-Fi Digital Input Controller :
- It handles up to four digital inputs , allowing you to manage multiple actions and configurations with great precision.
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Managing Scenes and Actions :
- Activate and deactivate custom scenes to suit the user's needs.
- Execute synchronized actions and complex trigger scenarios for advanced automation.
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Versatile Input Reader :
- Designed exclusively to read inputs, with no built-in relays, making it perfect for specific installations where only detection and control are required.
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High Speed Processor (ESP32) :
- It incorporates a powerful ESP32 processor that guarantees fast and stable performance , ideal for high-level tasks.
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Improved API Interface :
- It offers a state-of-the-art API interface, simplifying integration with existing systems and enabling more efficient development.
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Multi-click and JavaScript support :
- It allows up to 12 different actions through multi-click functionality, offering personalized and detailed control.
- Compatible with JavaScript to design highly specific and customized scenarios.
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Compact and Adaptable Design :
- Its design is compatible with most standard electrical boxes and switches, ensuring seamless integration.
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Easy and Versatile Control :
- Manage the device from the Shelly app, voice assistants like Alexa and Google Assistant, or through various protocols and platforms like MQTT and Home Assistant.
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Integrated Web Server and Wi-Fi Connectivity :
- Includes an internal web server for easy configuration and direct control.
- Easily connects to any Wi-Fi network, without the need for additional hubs.
Recommended Applications :
- Advanced automation in complex home automation systems.
- Configurations that require reading inputs without the need for relays.
- Creating custom scenarios for lighting, security, or electronic device control.
With the Shelly Plus i4 DC , take your home or business automation to the next level. Thanks to its intuitive design, advanced connectivity, and customization capabilities, this device offers an efficient and reliable solution for any electrical control need.
Shelly Plus i4 DC - Specifications
PHYSICAL | |
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Size (HxWxD): | 37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 in |
Weight: | 17 g / 0.6 oz |
Mounting: | Wall box |
Screw terminals maximum torque: | 0.4 Nm / 3.5 lbin |
Conductor cross section: | 0.5 to 1.5 mm² / 20 to 16 AWG |
Conductor stripped length: | 5 to 6 mm / 0.20 to 0.24 in |
Shell material: | Plastic |
ENVIRONMENTAL | |
Ambient 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: | 5 - 24 VDC |
Power consumption: | < 1 W |
SENSORS, METERS | |
Temperature sensor: | Forks |
RADIO | |
RF band: | 2400 - 2495 MHz |
Max. RF power: | <20 dBm |
Wi-Fi protocol: | 802.11 b/g/n |
Wi-Fi Range: | Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors (Depends on local conditions) |
Bluetooth Protocol: | 4.2 |
Bluetooth Range: | Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors (Depends on local conditions) |
MCU | |
CPU: | ESP32 |
Flash: | 4 MB |
FIRMWARE CAPABILITIES | |
Webhooks (URL actions): | 20 with 5 URLs per hook |
Scripting: | mJS |
MQTT: | Forks |
CoAP: | No |