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Shelly 1 Gen3 - Relay 12V/24V-48VDC/240VAC WiFi/Bluetooth 16A - Android/iOS app
Shelly 1 Gen3 is a WiFi -controlled flush-mount module that enables remote management of 240 V AC and 12 V DC or 24 V to 48 V DC devices with a load of up to 16 A. Compared to previous models, it offers a new ESP-Shelly-C38F processor with 8 MB Flash memory, increased terminal durability and safety functions. The device does not require a gateway, and its configuration is simple thanks to the Shelly Smart Control application. It supports MQTT, WebSocket and integration with platforms such as Google Assistant and Amazon Alexa.
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Product description: Shelly 1 Gen3 - relay 12V / 24V - 48V DC / 240V AC WiFi / Bluetooth 16A - Android / iOS application
Shelly 1 Gen3 is an advanced WiFi- controlled relay that allows remote management of various 240 V AC and 12 V DC or 24 V to 30 V DC devices and a load of up to 16 A. Thanks to the new ESP-Shelly-C38F processor with 8 MB Flash memory, it provides high performance and reliability. Key features include easy integration with popular platforms such as Google Assistant and Amazon Alexa, as well as support for MQTT, WebSocket and scripting. With the Shelly Smart Control application, you can set schedules and automation scenarios , which increases the comfort of use. Shelly 1 Gen3 does not require a control unit, and thanks to the built-in web interface and Bluetooth , configuration is quick and intuitive.
The connection diagram is shown on the module housing.
Shelly 1 Gen3 Key Features
- WiFi and Bluetooth communication : the module connects to a WiFi network without the need for an additional gateway, and the built-in Bluetooth allows quick pairing using the Shelly Cloud application
- Low and high voltage support : Shelly 1 Gen3 operates from 110V to 240V AC, 12V DC and 24V to 48V DC, making it a versatile solution
- Fast processor : based on ESP-Shelly-C38F, provides lightning-fast command execution and high performance
- Enhanced security : features overheat protection and MQTT, WebSocket and TLS support for wider application range
- Voice Control : Compatible with voice assistants such as Amazon Alexa, Google Assistant and Samsung SmartThings
- Supported Platforms : Integrates with Amazon Alexa, Google Assistant, Samsung SmartThings, MQTT, Home Assistant, REST, Domoticz, openHAB, and other home automation systems
- Automation support : enables the creation of automation schedules and scenarios, which increases the user experience
- Remote monitoring and control : allows you to remotely control your devices using the Shelly Smart Control app
Relay Applications
Shelly 1 Gen3 can be used in both homes and offices. Thanks to its remote control function and support for voltage-free contacts, it is ideal for, among others, lighting automation . Shelly 1 Gen3 is also great for managing heating devices such as furnaces or thermostats, allowing precise control of the temperature in rooms. Additionally, thanks to the possibility of connecting to the garage door, you can open and close garage doors remotely . In garden applications, Shelly 1 Gen3 allows for the automation of irrigation systems, adjusting watering schedules to weather conditions. It also allows integration with other devices in the smart home ecosystem, which allows you to create complex automation scenarios that increase the efficiency and comfort of everyday life.
The relay has overheating protection.
The module has six inputs in the form of screw connectors.
Shelly 1 Gen3 Technical Specification
- Model: S3SW-001X16EU
- Processor: ESP-Shelly-C38F
- Flash Memory: 8MB
- AC supply voltage: 110 V to 240 V
- DC supply voltage: 12 V / 24 V to 48 V
- Maximum switching voltage AC: 240 V
- Maximum switching voltage DC: 30 V
- Maximum AC load: 16 A
- Maximum DC load: 10A
- Number of channels: 1
- Power consumption: < 1.2 W
- Communication: WiFi 2.4 GHz 802.11 b/g/n, Bluetooth 4.2
- Overheating protection: yes
- Dry contacts: yes
- Maximum WiFi range: up to 30m indoors, up to 50m outdoors (depending on local conditions)
- Possibility of integration with platforms: Amazon Alexa, Google Assistant, SmartThings, MQTT, Home Assistant, and others
- Housing material: plastic
- Operating temperature: -20°C to 40°C
- Dimensions: 37 x 42 x 16 mm
- Weight: 26 g
Comparison of Shelly Gen1, Gen2, Gen3 and Gen4 Devices
| Feature | Shelly Gen 1 | Shelly Gen 2 (Plus/Pro, Mini) | Shelly Gen 3 | Shelly Gen 4 |
|---|---|---|---|---|
| WiFi | 2.4 GHz WiFi | 2.4 GHz WiFi | 2.4 GHz WiFi | 2.4 GHz WiFi (WiFi 6) |
| Processing Power | Basic | More powerful processors than Gen 1 | Shelly chip for optimal performance | Most advanced processing power |
| Memory | Basic memory | Up to 4 MB Flash (8 MB in PRO) | 8 MB Flash, 256 kB RAM | More than Gen 3 (512 kB RAM) |
| Bluetooth | No | Yes - for easy setup | Yes - for easy setup | Yes - for easy setup |
| Scripting and Automation | No | Enhanced automation capabilities | Advanced scripting and automation | Advanced scripting and automation |
| Energy Monitoring | Basic (selected models) | Extended monitoring (some models) | Advanced monitoring and safety | Advanced monitoring and safety |
| Device Control | MQTT, CoAP, HTTP Webhooks | MQTTS, HTTP/HTTPS Webhooks, MQTT + Cloud | MQTTS, HTTP/HTTPS Webhooks, MQTT + Cloud | MQTTS, HTTP/HTTPS Webhooks, MQTT + Cloud |
| Virtual Components | No | Available (PRO only) | Supported | Supported |
| KNX Support | No | Yes (selected PRO only) | Yes (selected devices) | Yes (selected devices) |
| Bluetooth Gateway | No | Yes (except BLU TRV, Gen 3 gateway required) | Yes (except BLU TRV, Gen 3 gateway required) | Yes (except BLU TRV, Gen 3 gateway required) |
| KVS (Key-Value Store) | No | Yes | Yes | Yes |
| Timer Loop | No | Auto ON/OFF simultaneously | Auto ON/OFF simultaneously | Auto ON/OFF simultaneously |
| Range Extender | No | Yes | Yes | Yes (WiFi and ZigBee) |
| Simultaneous AP and WiFi | No | Yes | Yes | Yes |
| Ethernet | No | Yes (PRO only) | Yes (PRO only) | Yes (PRO only) |
| Intended Use | Basic home automation | More features, scripting, better hardware | Advanced automation, future-proof | Full automation, maximum flexibility |
| Protocol Support | None | BTHome, MQTT+Cloud, KNX (PRO) | BTHome, KNXnet/IP, Matter, MQTT+Cloud, Virtual Components | BTHome, Matter, ZigBee, TCP/IP Modbus, KNXnet/IP, MQTT+Cloud |
Useful links
| Name | Value |
|---|---|
| Smart Home | Relay |
| Communication |
|
| Width | 4.5 cm |
| Height | 4 cm |
| Depth | 2.5 cm |
| Weight | 0.038 kg |
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30 days to return, without giving a reason
If the product does not meet your expectations, you have 30 days from receiving the parcel to withdraw from the contract. The product only has to be complete. The right of return belongs to consumers (a purchase unrelated to business activity).
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If the product turns out to be faulty, you can make a claim under the guarantee or the statutory warranty. We handle claims without delay, at the latest within 14 working days of receiving the report together with the goods.
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