Technical Comparison between the Shelly Plus i4DC vs the Shelly Plus i4
Physical Features and Connectivity
Both devices share a compact design that allows installation in standard wall boxes, with almost identical dimensions and a light weight that makes them easy to handle and install. However, the Shelly Plus i4 is also available with a power input ranging from 110 to 240 VAC, which makes it versatile for residential and commercial applications. The Shelly Plus i4DC, on the other hand, is designed specifically for systems operating at lower voltages (5-24 VDC), ideal for integration in vehicles, boats or solar systems.
- Shelly Plus i4DC: Power input of 5-24 VDC.
- Shelly Plus i4: Power input of 110-240 VAC.
Both models offer Wi-Fi and Bluetooth connectivity, ensuring easy integration with home automation systems and compatibility with voice assistants such as Alexa.
Interface and User Control
Both the Shelly Plus i4DC and the Shelly Plus i4 are equipped with embedded web interfaces that make configuration and management simple. Both devices allow control of four inputs for buttons or switches, but the Shelly Plus i4 adds enhanced control capabilities through its additional interface and improved security protocols.
- Both devices: Four inputs on screw terminals; embedded web interface for control.
- Shelly Plus i4: Additional proprietary Shelly interface for expansions.
Use Cases
- Residential: Perfect for home automation, both models make it easy to manage scenes, synchronized actions and integration with other IoT devices. Ideal for controlling lighting, security systems and other appliances via voice commands or mobile apps.
- Light Commercial and MDU: The Shelly Plus i4 is especially useful in commercial environments and multi-dwelling units, where the range of input voltages and its robustness offer a flexible and reliable solution.
- External Integrations: Both models support integrations with Alexa and other systems via MQTT and HTTP, making them extremely versatile for all kinds of smart applications.
Safety and Additional Features
- Overheating Protection: Both models come equipped with internal temperature sensors and safety protections to ensure safe and reliable operation.
- LED Indicators: They provide visual feedback on network connection status, updates and more.
Conclusion
The Shelly Plus i4 and the Shelly Plus i4DC offer robust and flexible options for almost any home or commercial automation scenario. While the Shelly Plus i4 is ideal for standard home and business installations thanks to its wide AC power range, the Shelly Plus i4DC stands out in applications that require a DC voltage, being perfect for specialized integrations such as vehicles and mobile or off-grid systems.
Technical Comparison: Shelly Plus i4DC vs. Shelly Plus i4
| Feature / Model | Shelly Plus i4DC | Shelly Plus i4 |
|---|---|---|
| Power Type | DC 5-24 V | AC 110-240 V |
| Connectivity | Wi-Fi, Bluetooth | Wi-Fi, Bluetooth |
| User Interface | Web Interface, API | Web Interface, API, proprietary Shelly Add-on Interface |
| Inputs | 4 inputs on screw terminals | 4 inputs on screw terminals |
| Integrations | Alexa, MQTT, HTTP | Alexa, MQTT, HTTP |
| Main Uses | Vehicles, solar systems, boats | Residential, Light Commercial, MDU |
| Protections | Overheating, LED indicators | Overheating, LED indicators |
| Additional Features | ESP32 CPU, 4 MB Flash | ESP32 CPU, 4 MB Flash, proprietary Serial Interface |
| Dimensions | 37x42x16 mm | 37x42x16 mm |
| Weight | 18 g | 17 g |
| Body Material | Plastic | Plastic |
| Color | Orange | Neon Orange (Pantone 2010C) |
| Ambient Temperature | -20 °C to 40 °C | -20 °C to 40 °C |
| Humidity | 30% to 70% RH | 30% to 70% RH |
| Maximum Altitude | 2000 m | 2000 m |
| Wi-Fi Protocol | 802.11 b/g/n | 802.11 b/g/n |
| Wi-Fi Range | Up to 30 m indoors, 50 m outdoors | Up to 30 m indoors, 50 m outdoors |
| Bluetooth Protocol | 4.2 | 4.2 |
| Bluetooth Range | Up to 10 m indoors, 30 m outdoors | Up to 10 m indoors, 30 m outdoors |
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