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Shelly I4 Gen 3 Smart Switch 4 Channels Wi-Fi Bluetooth & RF 16A
Intermediate Switches

Shelly I4 Gen 3 Smart Switch 4 Channels Wi-Fi Bluetooth & RF 16A Code: SHELLYI4GEN3

4 digital input controller that operates over Wi-Fi. With the ability to manage 4 digital inputs, the Shelly i4 Gen3 allows you to manually activate or deactivate any created scene, synchronize...

4 digital input controller that operates over Wi-Fi. With the ability to manage 4 digital inputs, the Shelly i4 Gen3 allows you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios.

Compact size that fits behind most wall switches, ideal for easy installation under any standard 4-button switch.

  • ...
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  • Connectivity

    Wi-Fi

    The most common connectivity option for individual switches, as it connects directly to the router.

    Bluetooth

    Wireless connectivity protocol for control from a short distance.

    RF

    Wireless control via radio frequencies.

  • Usage

    Lighting

    For remote control of lamps and lighting fixtures.

    Roller shutters

    They allow remote control (up/down movement) of electric shutters and awnings.

    Garage door

    They allow remote control (opening and closing) of garage doors.

  • Compatible Application

    The compatible app that you download to your mobile phone to control the switch remotely.

  • Maximum Load

    It is the maximum amount of current that the switch can withstand without burning out. It shows you how many or how powerful devices you can connect: for simple lights, 10A is enough, while for power-hungry devices (such as a water heater) more Amperes are required.

    For example, a typical LED bulb (e.g. 10W) draws very little current, about 0.04 Amperes. This means that a standard smart switch of 10A is more than sufficient for its operation.

  • Power Measurement

    It allows you to see in real time how much electricity your connected device is consuming and to keep a usage history, through your smartphone and the compatible app.
  • Dimensions 42x17x17mm

  • Smart Ecosystem

    Alexa

    The Amazon automation platform based on the Alexa voice assistant. It offers voice control capabilities and the creation of "Skills" for connecting and automatically coordinating multiple smart devices.
  • See all
Product report

Description

Description

4 digital input controller that operates over Wi-Fi. With the ability to manage 4 digital inputs, the Shelly i4 Gen3 allows you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios.

Compact size that fits behind most wall switches, ideal for easy installation under any standard 4-button switch.

  • Multiple clicks - Up to 16 possible actions
  • New processor - ESP-Shelly-C38F chip with increased 8 MB memory
  • Improved terminal durability
  • Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS, and custom certificates
  • No HUB required! Control through the Shelly Smart Control app and other home automation protocols

This input reader offers manual control of other Shelly devices, making it easier to use lighting systems, blinds, and other devices.

Physical Characteristics:

  • Size (HxWxD): 37x42x17 mm
  • Weight: 18 g
  • Maximum screw terminal torque: 0.4 Nm
  • Wire cross-section: 0.2 to 2.5 mm²
  • Stripped wire length: 6 to 7 mm
  • Mounting: Wall console / Box in wall
  • Housing material: Plastic

Environmental Operating Characteristics:

  • Operating ambient temperature: -20°C to 40°C
  • Humidity: 30% to 70% RH
  • Maximum Altitude: 2000m

Electrical Technical Characteristics:

  • Power supply: 110 - 240 V~ 50/60 Hz
  • Internal temperature sensor: Yes
  • WI-FI - Protocol: 802,11 b/g/n
  • RF Band: 2401 - 2483 MHz
  • Range: Up to 50 m outdoors, up to 30 m indoors

BLUETOOTH:

  • Protocol: 4.2
  • RF Band: 2400 - 2483.5 MHz
  • Range: Up to 30 m outdoors, up to 10 m indoors

Microcontroller Unit:

  • Processor: ESP-Shelly-C38F
  • Rom: 8 MB
  • Webhooks (URL actions): 20 with 5 URLs per hook
  • Scenarios: Yes
  • MQTT: Yes
  • Encryption: Yes

Manufacturer

Manufacturer Details

Warnings & Safety Information
See full description

Specifications

Specifications

Product Number
SHELLYI4GEN3

Specifications

Switch Type
Smart Switch
Number of Channels
4

Number of Channels

Indicates how many different lamps or devices the switch can control independently. For example, a 1-channel switch controls one lighting circuit, while a 4-channel switch can manage up to four different devices from the same unit.
Usage
Lighting, Roller shutters, Garage door

Usage

Lighting

For remote control of lamps and lighting fixtures.

Roller shutters

They allow remote control (up/down movement) of electric shutters and awnings.

Garage door

They allow remote control (opening and closing) of garage doors.
Dimensions (Spec Summary)
42x17x17mm

Smart Attributes

Smart Ecosystem
Alexa, SmartThings

Smart Ecosystem

Alexa

The Amazon automation platform based on the Alexa voice assistant. It offers voice control capabilities and the creation of "Skills" for connecting and automatically coordinating multiple smart devices.
Connectivity
Wi-Fi, Bluetooth, RF

Connectivity

Wi-Fi

The most common connectivity option for individual switches, as it connects directly to the router.

Bluetooth

Wireless connectivity protocol for control from a short distance.

RF

Wireless control via radio frequencies.

Additional Features

With Remote Control
No

With Remote Control

It allows you to control the switch remotely with a remote control, without needing your smartphone.
Maximum Load
16 A

Maximum Load

It is the maximum amount of current that the switch can withstand without burning out. It shows you how many or how powerful devices you can connect: for simple lights, 10A is enough, while for power-hungry devices (such as a water heater) more Amperes are required.

For example, a typical LED bulb (e.g. 10W) draws very little current, about 0.04 Amperes. This means that a standard smart switch of 10A is more than sufficient for its operation.
Compatible Application
Shelly Smart Control

Compatible Application

The compatible app that you download to your mobile phone to control the switch remotely.

Features

Dimmer
No

Dimmer

It allows you to adjust the brightness of the lighting instead of simple on/off operation. Bulbs that support dimmable function are required.
Dry Contact
No

Dry Contact

Dry Contact. It gives you the ability to safely control devices that have their own power supply. It does not transfer current but allows you to control them remotely, without causing a short circuit or damage.
Consumption Measurement
Yes

Consumption Measurement

It allows you to see in real time how much electricity your connected device is consuming and to keep a usage history, through your smartphone and the compatible app.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

See all specifications

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Description & Specifications

4 digital input controller that operates over Wi-Fi. With the ability to manage 4 digital inputs, the Shelly i4 Gen3 allows you to manually activate or deactivate any created scene, synchronize actions, or execute complex trigger scenarios.

Compact size that fits behind most wall switches, ideal for easy installation under any standard 4-button switch.

  • Multiple clicks - Up to 16 possible actions
  • New processor - ESP-Shelly-C38F chip with increased 8 MB memory
  • Improved terminal durability
  • Supports scripting, webhooks, MQTT, WebSocket, HTTPS, UDP, TLS, and custom certificates
  • No HUB required! Control through the Shelly Smart Control app and other home automation protocols

This input reader offers manual control of other Shelly devices, making it easier to use lighting systems, blinds, and other devices.

Physical Characteristics:

  • Size (HxWxD): 37x42x17 mm
  • Weight: 18 g
  • Maximum screw terminal torque: 0.4 Nm
  • Wire cross-section: 0.2 to 2.5 mm²
  • Stripped wire length: 6 to 7 mm
  • Mounting: Wall console / Box in wall
  • Housing material: Plastic

Environmental Operating Characteristics:

  • Operating ambient temperature: -20°C to 40°C
  • Humidity: 30% to 70% RH
  • Maximum Altitude: 2000m

Electrical Technical Characteristics:

  • Power supply: 110 - 240 V~ 50/60 Hz
  • Internal temperature sensor: Yes
  • WI-FI - Protocol: 802,11 b/g/n
  • RF Band: 2401 - 2483 MHz
  • Range: Up to 50 m outdoors, up to 30 m indoors

BLUETOOTH:

  • Protocol: 4.2
  • RF Band: 2400 - 2483.5 MHz
  • Range: Up to 30 m outdoors, up to 10 m indoors

Microcontroller Unit:

  • Processor: ESP-Shelly-C38F
  • Rom: 8 MB
  • Webhooks (URL actions): 20 with 5 URLs per hook
  • Scenarios: Yes
  • MQTT: Yes
  • Encryption: Yes

Manufacturer

Manufacturer Details

Warnings & Safety Information
Product Number
SHELLYI4GEN3

Specifications

Switch Type
Smart Switch
Number of Channels
4

Number of Channels

Indicates how many different lamps or devices the switch can control independently. For example, a 1-channel switch controls one lighting circuit, while a 4-channel switch can manage up to four different devices from the same unit.
Usage
Lighting, Roller shutters, Garage door

Usage

Lighting

For remote control of lamps and lighting fixtures.

Roller shutters

They allow remote control (up/down movement) of electric shutters and awnings.

Garage door

They allow remote control (opening and closing) of garage doors.
Dimensions (Spec Summary)
42x17x17mm

Smart Attributes

Smart Ecosystem
Alexa, SmartThings

Smart Ecosystem

Alexa

The Amazon automation platform based on the Alexa voice assistant. It offers voice control capabilities and the creation of "Skills" for connecting and automatically coordinating multiple smart devices.
Connectivity
Wi-Fi, Bluetooth, RF

Connectivity

Wi-Fi

The most common connectivity option for individual switches, as it connects directly to the router.

Bluetooth

Wireless connectivity protocol for control from a short distance.

RF

Wireless control via radio frequencies.

Additional Features

With Remote Control
No

With Remote Control

It allows you to control the switch remotely with a remote control, without needing your smartphone.
Maximum Load
16 A

Maximum Load

It is the maximum amount of current that the switch can withstand without burning out. It shows you how many or how powerful devices you can connect: for simple lights, 10A is enough, while for power-hungry devices (such as a water heater) more Amperes are required.

For example, a typical LED bulb (e.g. 10W) draws very little current, about 0.04 Amperes. This means that a standard smart switch of 10A is more than sufficient for its operation.
Compatible Application
Shelly Smart Control

Compatible Application

The compatible app that you download to your mobile phone to control the switch remotely.

Features

Dimmer
No

Dimmer

It allows you to adjust the brightness of the lighting instead of simple on/off operation. Bulbs that support dimmable function are required.
Dry Contact
No

Dry Contact

Dry Contact. It gives you the ability to safely control devices that have their own power supply. It does not transfer current but allows you to control them remotely, without causing a short circuit or damage.
Consumption Measurement
Yes

Consumption Measurement

It allows you to see in real time how much electricity your connected device is consuming and to keep a usage history, through your smartphone and the compatible app.

Important information

Specifications are collected from official manufacturer websites. Please verify the specifications before proceeding with your final purchase. If you notice any problem you can report it here.

Reviews (1)

5.0
1
5.0
Review this product
  1. 1
  2. 4 stars
    0
  3. 3 stars
    0
  4. 2 stars
    0
  5. 1 star
    0
Review this product
13,06 €
14,00 €   shipping cost