Device name: Shelly Plus i4
Device model: SNSN-0024X
Device SSID: ShellyPlusI4-XXXXXX
Shelly Plus i4 is a smart Wi-Fi switch input that allows you to manually activate or deactivate any created scene, run synchronized actions, or execute complex trigger scenarios. You can use Shelly Plus i4 to control other connected Shelly switches, sensors, or HTTP and MQTT-controlled devices. Small enough to fit behind every wall switch, Shelly Plus i4 can show the status and control the action of four inputs.
You can access and monitor Shelly Plus i4 remotely from any place where you have internet connectivity, if the Device is connected to a Wi-Fi router and the Internet.
You can retrofit the Device into standard electrical wall boxes, behind power sockets, light switches, or into other places with limited space.
Shelly Plus i4 has an embedded Web Interface that you can use to control it and set it up.
MDU (Multi Dwelling Units - apartments, condominiums, hotels, etc.)
Light commercial (small office buildings, small retail/restaurant/gas station, etc.)
Alexa (through a virtual device routine)
Simplified internal schematics
Device electrical interfaces
4 switch/button inputs on screw terminal: SW1, SW2, SW3, and SW4
3 power supply inputs on screw terminals: 1 N and 2 L
Shelly proprietary serial interface
⚠CAUTION! High voltage on the add-on interface when the Device is powered!
One (Reset) button
Press and hold for 5 seconds to enable Device access point and Bluetooth connection.
Press and hold for 10 seconds to factory reset the Device.
LED (Red) indication
AP (Access Point) enabled and Wi-Fi disabled:
ON/ 1 second
Wi-Fi enabled, but not connected to a Wi-Fi network:
ON/ 3 seconds
Connected to a Wi-Fi network:
Cloud is enabled, but not connected:
Connected to Shelly Cloud:
OTA (Over the Air Update):
ON/ ½ second
Button pressed and held for 5 seconds:
ON/ ½ second
Button presses and held for 10 seconds:
ON/ ¼ second
The list above starts with the initial device status and the lowest priority. Every next state cancels the previous one.
37x42x16 ±0.5 mm / 1.46x1.65x0.63 ±0.02 in
18 g / 0.63 oz
Screw terminals max 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
-20 °C to 40 °C / -5 °F to 105 °F
30 % to 70 % RH
2000 m / 6562 ft
110 - 240 VAC, 50/60 Hz
< 1 W
2400 - 2495 MHz
Max. RF power:
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors
Webhooks (URL actions):
20 with 5 URLs per hook
Basic wiring diagrams
SW1, SW2, SW3, SW4
Switch/button input terminals
Live (110-240 V) cable
Live (110-240 V) terminals