

Overview
Shelly 1 Gen4 – Wi-Fi, Bluetooth, Zigbee and Matter Smart Relay
Bring smart control to everyday electrical devices with the Shelly 1 Gen4. Its compact relay design and flexible connectivity make it a practical choice for retrofitting compatible lights, appliances and control circuits. Choose the wireless protocol that fits your smart-home setup, and build automations around the way you live.
- At a glance
- Brand
- Shelly
- Model
- Shelly1G4
- Relay
- 16A, potential-free dry contact
- Protocols
- Wi-Fi, Zigbee, Bluetooth, Matter
- Power supply
- 110–240V AC, 24–48V DC, or 12V DC
What it does
16A Dry-Contact Relay
Switches suitable loads up to 16A at 240V AC or 10A at 30V DC.
Multiprotocol Connectivity
Supports Wi-Fi, Zigbee, Matter and Bluetooth. The active mode depends on configuration.
Potential-Free Contacts
The switched circuit can be electrically separate from the relay’s own supply.
Schedules and Automation
Create schedules, scenes, local actions and custom automations.
Compatible with
HTTP API, MQTT, webhooks and KNXnet/IP, and with Google, Alexa and SmartThings voice control
Specifications
From the manufacturer's data. Check the label on the device if your installation depends on a rating.
| Relay | 16A, potential-free dry contact |
|---|---|
| Protocols | Wi-Fi, Zigbee, Bluetooth, Matter |
| Power supply | 110–240V AC, 24–48V DC, or 12V DC |


