Shelly 1 Gen4 Smart Switch

Introduction

User and Safety Guide

This document provides user and safety information for the Shelly 1 Gen4, referred to as "the Device".

Safety Information

Note: For safe and proper use, read this guide and any other documents accompanying this product. Keep them for future reference. Failure to follow installation procedures can lead to malfunction, danger to health and life, violation of law, and/or refusal of legal and commercial guarantees. Shelly Europe Ltd. is not responsible for any loss or damage due to incorrect installation or improper operation.

Warning: Risk of electric shock. Installation must be performed carefully by a qualified electrician.

Warning: Before installation, turn off circuit breakers and use a test device to ensure no voltage is present on the wires.

Warning: Before making any connection changes, ensure no voltage is present at the Device terminals.

Caution: Connect only to power grids and appliances complying with all applicable regulations. Short circuits can cause fire, property damage, and electric shock.

Caution: Connect and control only electric circuits and appliances that comply with applicable standards and safety norms.

Caution: Do not connect to appliances exceeding the specified maximum electric load.

Caution: Connect only as shown in these instructions. Other methods may cause damage or injury.

Caution: The Device and connected appliances must be secured by a cable protection switch compliant with EN60898-1 (tripping characteristic B or C, max. 16 A rated current, min. 6 kA interrupting rating, energy limiting class 3).

Caution: Do not use if the Device shows any sign of damage or defect.

Caution: Do not attempt to repair the Device yourself.

Caution: Intended for indoor use only.

Caution: Keep away from dirt and moisture.

Caution: Do not allow children to play with connected buttons/switches or to access remote control devices.

Product Description

The Shelly 1 Gen4 is a Matter-compatible smart switch featuring potential-free contacts. It is equipped with a multi-protocol wireless MCU, supporting secure Zigbee and Bluetooth connectivity. The Device operates on both AC and DC power. Its compact size allows for installation in standard electrical wall boxes, behind power sockets, light switches, or in other space-constrained locations.

The Device includes an embedded web interface for monitoring, control, and settings adjustment. This interface is accessible via http://192.168.33.1 when directly connected to the Device's access point, or via its IP address when on the same network.

The Device can integrate with other smart devices or automation systems within the same network infrastructure. Shelly Europe Ltd. provides APIs for device integration and cloud control. For more information, visit shelly-api-docs.shelly.cloud.

Note: The Device comes with factory-installed firmware. Shelly Europe Ltd. provides free firmware updates to maintain security and functionality. Users are responsible for installing these updates via the web interface or the Shelly Smart Control mobile application.

Installation Instructions

Recommendations:

• Use solid single-core wires or stranded wires with ferrules.
• Wires should have insulation with increased heat resistance (not less than PVC T105°C / 221°F).
• Do not use buttons or switches with built-in LED or neon glow lamps.
• Consider specified conductor cross-section and stripped length when connecting wires. Do not connect multiple wires to a single terminal.
• For security, disable or password-protect the Device's Access Point (AP) after connecting to your Wi-Fi network.

Enabling Access Point & Bluetooth: Press and hold the Reset/control button for 5 seconds.

Factory Reset: Press and hold the Reset/control button for 10 seconds.

Wiring Diagrams

Connect the load circuit to the I and O terminals of the Device.

Figure 1: 110-240 V~ Power Supply

Connect the Live wire (L) to the L terminal and the Neutral wire (N) to the N terminal. Connect the switch to the SW terminal and the Live wire.

Figure 2: 24-48 V⎓ Power Supply

Note: Voltage on I and O terminals should not exceed 30 V⎓.

Connect the DC+ wire to the + terminal and the GND wire to the Ʇ terminal. Connect the switch to the SW terminal and the GND wire.

Figure 3: 12 V⎓ Stabilized Power Supply

Complete the steps for Figure 2. Connect the 12V+ wire to the 12V terminal instead of the + terminal.

Device Terminals and Wires Legend

Wires Legend

• L: Live wire (110-240 V~)
• N: Neutral wire
• +: 12/24-48V⎓ positive wire
• GND: 12/24-48V⎓ ground wire

Device Configuration

Adding a Zigbee Device

To switch the Device from Matter firmware (default) to Zigbee:

• Press the Reset button 5 times. The Device enters pairing mode for 2 minutes.
• Find the Device in your home automation platform via the Zigbee Hub.
• If not found, press the Reset button 3 times.

To remove the Device: Go to its page in your home automation platform and delete it.

Note: In Zigbee mode, the Device's AP is not available by default. To enable it, hold the Reset button for 5 seconds.

Setting up the Device via Matter

Before you start, ensure you have:

• A 2.4 GHz Wi-Fi network.
• A Matter-compatible hub connected to the Internet.
• A mobile device with Bluetooth enabled and a Matter-compatible app installed.

1. Enable the Device's access point by pressing and holding the Reset/control button for 5 seconds.
2. Scan the Matter QR code (found inside the box).
3. Follow the on-screen instructions to complete the process.

Note: Keep the QR code for future reference, as it will be needed if you reset the device.

Specifications

Physical

Environmental

Electrical

Output Circuits Ratings

Sensors, Meters

Radio

Wi-Fi

Bluetooth

Zigbee

Microcontroller Unit

Firmware Capabilities

• Schedules: 20
• Webhooks (URL actions): 20 with 5 URLs per hook
• Wi-Fi range extender: Yes
• BLE Gateway: Yes
• Scripting: Yes
• MQTT: Yes
• Encryption: Yes

Shelly Cloud Inclusion

The Device can be monitored, controlled, and set up through the Shelly Cloud home automation service. Use the service via the Android, iOS, or Harmony OS mobile application, or any internet browser at control.shelly.cloud.

For instructions on connecting and controlling the Device with the Shelly app and Cloud service, refer to the application guide: shelly.link/app-guide.

The Shelly mobile application and Shelly Cloud service are not required for the Device to function properly. The Device can be used standalone or with various other home automation platforms.

Troubleshooting

For installation or operation issues, consult the knowledge base page: shelly.link/1_Gen4.

Declaration of Conformity

Shelly Europe Ltd. declares that the radio equipment type Shelly 1 Gen4 complies with Directive 2014/53/EU, 2014/35/EU, 2014/30/EU, 2011/65/EU. The full text of the EU declaration of conformity is available at: shelly.link/1_Gen4_DoC.

Manufacturer Information

Manufacturer: Shelly Europe Ltd.

Address: 51 Cherni Vrah Blvd., bldg. 3, fl. 2-3, Sofia 1407, Bulgaria

Tel: +359 2 988 7435

E-mail: support@shelly.cloud

Official website: www.shelly.com

Changes in contact information are published by the Manufacturer on the official website.

All rights to the trademark Shelly® and other intellectual rights associated with this Device belong to Shelly Europe Ltd.