SHELLY Wave i4 DC Switch

ShellySKU: 091145
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Price:
Sale price€40,50
Stock:
In stock (20 units), ready to be shipped

Description

SHELLY Wave i4 DC Switch

With just one press of a button, you can trigger a scene, activate an automation, or synchronize the operation of multiple devices at once. The SHELLY Wave i4 DC provides convenient, manual control of your smart home system while remaining virtually invisible once installed behind a traditional wall switch. Thanks to its support for Z-Wave Long Range technology, energy-efficient operation, and the latest-generation Z-Wave 800 chip, the device is ideal for both small apartments and large-scale installations. It’s a practical solution for those who want to maintain full control over their home automation without giving up traditional switches.

The yellow Shelly switch shown from the side and from above. Visible terminal screws, wiring diagrams, and technical labels on the housing.

One button, many automation possibilities

The device functions as an input reader and does not contain relays; therefore, it was designed to control other devices operating on the Z-Wave network. With a single button, you can manually activate or deactivate scenes, trigger complex automations, and perform synchronized actions involving multiple smart home devices. Support for four inputs allows you to use multi-button switches, and the Multi-Click feature lets you assign up to 16 different actions to various click combinations. Additionally, the device monitors the status of the inputs, providing even greater control over the operation of the entire system.

A modern kitchen with wooden and gray cabinet fronts. Green chairs are at the table, and a metal panel with four switches is on the wall.

Reliable communication even in large buildings

The Shelly Wave i4 DC utilizes the latest Z-Wave 800 series and supports Z-Wave Long Range (ZWLR) technology, which ensures stable communication over distances exceeding 1 km in a straight line. You can choose to operate in the 864 MHz band for Z-Wave Long Range or the 868.4 MHz band for the Z-Wave Plus standard, tailoring the configuration to your installation. With classic Z-Wave Plus, the range is up to 40 meters indoors, and the device can act as a signal repeater. Z-Wave Long Range mode extends the indoor range to up to 80 meters and communicates directly with the gateway, making it ideal for larger homes and professional installations. Communication takes place in the sub-GHz band, which ensures a stable connection free from the typical interference found in more congested radio bands.

A yellow electrical module with a logo

Quick Setup and High Security

Installing the device is extremely simple thanks to SmartStart technology, which allows you to add it to the Z-Wave network by scanning a QR code. The Shelly Wave i4 DC supports Security 2 (S2) authentication and AES-128 encryption, effectively securing communication between devices on the network. An additional advantage is the ability to perform over-the-air (OTA) software updates, allowing the device to receive new features and security patches without needing to be removed.

A man lying on a bed reaches toward the wall, pressing a square light switch.

Lightweight design and low power consumption

The compact housing is designed to be mounted under a standard wall switch, making the device completely invisible once installed. With power consumption not exceeding 0.3 W, the Shelly Wave i4 DC operates efficiently even during continuous use. The product works with all certified Z-Wave Plus devices and gateways; however, using Z-Wave Long Range technology requires a compatible gateway and devices that support the ZWLR standard.

A person holding a yellow Shelly switch between their fingers against a white background

 

Manufacturer Shelly
Model Wave i4
Power Supply 5–24 V DC
Power Consumption < 0.3 W
Overcurrent Protection None
Power Measurement None
Number of Inputs 4
Range (long-range network) Up to 80 m indoors or up to 1000 m outdoors, Z-Wave® 864 MHz frequency band
Mesh range Up to 40 m indoors, Z-Wave® 868.4 MHz frequency band
Processor Z-Wave® S800
Maximum transmission power in frequency band(s) < 25 mW
Dimensions 37 x 42 x 16 ± 0.5 mm
Weight 17 g
Installation Flush-mount box
Maximum torque for screw terminals 0.4 Nm / 3.5 lbin
Wire cross-section 0.5 to 1.5 mm² / 20 to 16 AWG
Stripped wire length 5 to 6 mm
Housing material Plastic
Color Yellow
Ambient temperature -20°C to 40°C
Humidity 30% to 70% relative humidity
Maximum altitude above sea level 2000 m


Producer: Shelly Europe Ltd. (BG)
Address: Cherni Vrah Blvd., 103, 1407, Sofia
Email: support@shelly.cloud

EU Responsible Person: Shelly Europe Ltd.
Address: Cherni Vrah, 103, 1407, Sofia
Email: support@shelly.cloud

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