Shelly 1 Gen4 - relay switch 1x 16A (WiFi, Bluetooth, Zigbee, Matter), dry contact

Shelly 1 Gen4 is a smart relay with potential-free (dry) contacts, ideal for remotely controlling a wide range of home appliances or office equipment. It can be easily installed behind wall switches, power sockets, or inside electrical boxes, even where space is limited.

🔄 Multi-protocol connectivity: Supports Wi-Fi, Bluetooth, Zigbee, and Matter
⚡ Dry contacts: Ideal for contactor control or isolated circuits
🔧 Improved durability: Reinforced terminals for better reliability
🔒 Advanced security: TLS encryption, MQTT, WebSocket, HTTPS, custom certificates
📡 Wi-Fi range extender & Bluetooth gateway
📱 No HUB needed: Full control through the Shelly Smart Control app or popular platforms

✅ Why Choose Shelly 1 Gen4?

Versatile and powerful, Shelly 1 Gen4 is the ideal solution for lighting automation, garage door control, or upgrading old appliances. Now featuring multi-protocol connectivity (Wi-Fi, Bluetooth, Zigbee, and Matter), this module ensures wide compatibility for any smart home or office setup.

⚙️ Key Features:

• Wi-Fi, Bluetooth, Zigbee, Matter – choose the protocol that suits your setup

• Dry contacts – compatible with a wide variety of devices

• Low and high voltage support – flexible control options

• Smart schedules – automate based on your daily routine or sunrise/sunset

• Smart scenes – create custom scenes with other Shelly devices

• Full compatibility – works with Alexa, Google Home, Android, iOS

🏡 Use Cases:

• Smart irrigation: water your garden on sunny days and skip rainy ones

• Garage door automation: remotely open or close and monitor the door state using a reed sensor

• Efficient climate control: automate heating/cooling valves and regulate temperature by zones

• Smart lighting: automate lighting based on time of day—manual switch remains usable

📐 Technical Specifications:

• Dimensions: 37x42x16 mm

• Weight: 26 g

• Power supply: 110–240 V AC / 24–48 V DC / 12 V DC

• Power consumption: <1.2 W

• Max switching voltage: 240 V AC / 30 V DC

• Max current: 16 A (240 V AC) / 10 A (30 V DC)

• Internal temperature sensor: Yes

• Zigbee: IEEE 802.15.4, 2400–2483.5 MHz

• Wi-Fi: 802.11 b/g/n, 2401–2483 MHz, up to 50 m outdoors / 30 m indoors

• Bluetooth 4.2: up to 30 m outdoors / 10 m indoors

• CPU: ESP-Shelly-C38F, Flash: 8 MB

• Schedulers: 20

• Webhooks: 20 with up to 5 URLs each

• Supports: MQTT, mjS scripting, encryption, Wi-Fi range extension, BLE gateway

🔧 Perfect for fast and effective automations, without losing manual control!
Shelly 1 Gen4 – a compact yet powerful device for a truly smart home.