Shelly
Shelly Plus i4 DC
Shelly Plus i4 DC
Low stock
A Wi-Fi smart controller with 4 digital inputs, letting you manually trigger scenes, run synchronized actions, or set up advanced automation routines.
Key features
- Extremely fast processor (ESP32, improved API interface)
- Multi-click support — up to 16 possible actions
- JavaScript support for customized and complex automation scenarios
- Designed to fit in most standard electrical boxes and switches
- Easy control through the Shelly app, various protocols, platforms, and voice assistants
- Embedded web server; connects directly to your Wi-Fi network
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Technical details
Technical details
Device identification
Device name: Shelly Plus i4DC
Device model: SNSN-0D24X
Device SSID: ShellyPlusI4DC-XXXXXX
Short description
Shelly Plus i4DC is a smart Wi-Fi switch input designed for DC-powered installations. It enables users to manually activate or deactivate scenes, run synchronized actions, and execute complex automation scenarios.
The device can control other Shelly switches, sensors, or HTTP and MQTT-enabled devices. Compact enough to fit behind wall switches, the Shelly Plus i4DC allows real-time status visualization and control of four independent inputs.
Main applications
- Residential
- MDU (Multi Dwelling Units – apartments, condominiums, hotels, etc.)
- Light commercial (offices, small retail, restaurants, gas stations, etc.)
- Government/municipal facilities
- University/college environments
Integrations
Alexa (via virtual device routines)
Device electrical interfaces
Inputs: 4 switch/button inputs on screw terminals: SW1, SW2, SW3, SW4
Power supply: 3 DC supply inputs on screw terminals: 1 (+) and 2 (Ʇ)
Outputs: N/A
Add-on interface: Shelly proprietary serial interface
⚠CAUTION! High voltage on the add-on interface when the Device is powered!
Connectivity
Wi-Fi
Bluetooth
Safety features
Overheating protection
User interface
Inputs:
• One (Reset) button
– Hold for 5 seconds to enable Device access point and Bluetooth connection
– Hold for 10 seconds to factory reset the Device
Outputs:
• LED (monocolor) indication
– AP (Access Point) enabled and Wi-Fi disabled: 1 s ON / 1 s OFF
– Wi-Fi enabled but not connected: 1 s ON / 3 s OFF
– Connected to Wi-Fi: Constantly ON
– Cloud enabled but not connected: 1 s ON / 5 s OFF
– Connected to Shelly Cloud: Constantly ON
– OTA update: ½ s ON / ½ s OFF
– Button held 5 s: ½ s ON / ½ s OFF
– Button held 10 s: ¼ s ON / ¼ s OFF
(Each higher-priority state cancels the previous one)
Specifications
Specifications
Physical
Size (HxWxD): 37×42×16 ±0.5 mm / 1.46×1.65×0.63 ±0.02 in
Weight: 17 g / 0.6 oz
Mounting: Wall box
Screw terminals torque: 0.4 Nm (3.5 lbf·in)
Conductor size: 0.5–1.5 mm² (20–16 AWG)
Strip length: 5–6 mm (0.20–0.24 in)
Shell material: Plastic
Color: Neon orange (Pantone 2010C)
Environmental
Ambient temperature: −20 °C to 40 °C (−5 °F to 105 °F)
Humidity: 30–70% RH
Max altitude: 2000 m (6562 ft)
Electrical
Power supply: 5–24 V⎓
Power consumption: < 1 W
Sensors & Meters
Internal temperature sensor: Yes
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; 50 m / 160 ft outdoors (depends on conditions)
Bluetooth protocol: 4.2
Bluetooth range: Up to 10 m / 33 ft indoors; 30 m / 100 ft outdoors (depends on conditions)
MCU
CPU: ESP32-U4WDH
Flash: 4 MB
Firmware capabilities
Webhooks (URL actions): 20 with 5 URLs per hook
Scripting: Yes
MQTT: Yes
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