Shelly 1 Gen4

The Shelly 1 Gen4 is a compact and powerful smart relay switch designed to automate lights, appliances, garage doors, gates, heating systems, and countless other electrical devices. Supporting Wi-Fi, Zigbee, Bluetooth, and Matter, it offers maximum flexibility for modern smart home and professional automation projects.

Featuring a potential-free (dry contact) relay, the Shelly 1 Gen4 is one of the most versatile smart automation devices available. It can control a wide variety of low- and high-voltage circuits independently of the power supply, making it suitable for residential, commercial, and industrial applications.

Automate Virtually Any Electrical Device

The smart relay switch allows you to remotely control and automate almost any electrical circuit. Install it behind an existing wall switch, inside junction boxes, electrical cabinets, or directly within appliances to add intelligent control without changing your existing installation.

• Remote ON/OFF control
• Dry contact relay output
• Compact retrofit installation
• Works with existing wall switches
• Suitable for new and existing installations

Dry Contact Relay for Maximum Flexibility

The integrated dry contact relay enables the Shelly 1 Gen4 to control a wide range of systems independently of their operating voltage. This makes it ideal for garage doors, electric gates, irrigation controllers, HVAC equipment, alarm systems, boilers, access control systems, and other automation applications.

Multi-Protocol Smart Home Connectivity

The Shelly 1 Gen4 supports multiple communication protocols, allowing seamless integration into virtually every smart home ecosystem.

• Wi-Fi connectivity without a hub
• Zigbee 3.0 compatibility
• Matter support
• Bluetooth for fast onboarding
• Cloud and local operation

Compatible with Shelly Smart Control, Home Assistant, Google Home, Amazon Alexa, SmartThings, and other Matter-enabled platforms.

Create Powerful Smart Automations

Go beyond simple remote control by creating advanced automations using schedules, timers, scenes, scripting, MQTT, webhooks, and local logic. Automatically switch devices based on time, occupancy, sensor data, sunrise and sunset, or custom events.

Thanks to local scripting and automation support, your routines continue working even without an internet connection.

Perfect for Countless Applications

• Lighting control
• Garage doors
• Electric gates
• Heating systems
• Water pumps
• Irrigation systems
• Smart locks
• Alarm systems
• Access control
• Commercial automation

Why Choose Shelly 1 Gen4?

• Smart relay switch with dry contact output
• Supports Wi-Fi, Zigbee, Bluetooth and Matter
• Compact installation behind existing switches
• Remote control via smartphone
• Advanced local scripting and automation
• MQTT, REST API and webhook support
• No hub required over Wi-Fi
• Ideal for smart homes and professional automation

What is the Shelly 1 Gen4?

The Shelly 1 Gen4 is a compact smart relay switch with a dry contact relay that allows you to remotely control and automate electrical circuits, appliances, lighting, gates, garage doors, and other devices.

What is a dry contact relay?

A dry contact relay provides a voltage-free switching output, allowing the Shelly 1 Gen4 to control many different electrical systems regardless of their operating voltage.

Does the Shelly 1 Gen4 support Matter?

Yes. It supports Matter alongside Wi-Fi, Zigbee 3.0, and Bluetooth, providing excellent compatibility with today's leading smart home ecosystems.

Can I use the Shelly 1 Gen4 without cloud services?

Absolutely. The device supports fully local operation, scripting, MQTT, REST API, and local automations, making it ideal for privacy-focused smart home installations.

Build Smarter Automation with Shelly 1 Gen4

The Shelly 1 Gen4 combines a versatile dry contact relay, powerful Wi-Fi, Zigbee, and Matter connectivity, local scripting, and professional automation capabilities in one compact smart relay switch. Whether you're automating lighting, garage doors, HVAC systems, gates, or industrial equipment, it delivers reliable, flexible, and intelligent control for virtually any project.

Delivery and warranty

Shipped from our New Zealand supplier's warehouse, typically dispatched within 2 working days. Full Shelly manufacturer warranty, backed by MEDA support.