Shelly X3

Front view of the Shelly X3 module showing the PCB and 5 pins for vertical mounting.

The Shelly X3 module brings smart control to your devices through direct integration with the Shelly ecosystem. It offers built-in cloud connectivity, mobile app control, and free over-the-air (OTA) updates, and provides a complete, hub-free solution for connected automation.
Designed for vertical mounting, the module is ideal for compact enclosures and space-constrained installations. It features 2.4 GHz Wi-Fi and Bluetooth LE connectivity, 6 usable I/O ports. The Shelly X3 is well-suited for applications such as smart relays or lighting control.

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Key features

  • 6 usable I/O ports.
  • Vertical mounting.
  • Dimensions (HxLxW): 18.57x15.00x1.00 mm / 0.731x0.591x0.039 in.
  • On-board PCB antenna.
  • ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz.

Typically used for

Smart Home & Consumer IoT

  • Smart lighting.
  • Smart relays.
  • Smart water valves.

Environment control and monitoring

  • Temperature sensors.
  • Humidity sensors.
  • Air quality monitors.
  • Home irrigation systems.

Lead time

  • Typical lead time: 5 weeks

Depending on availability and quantity, lead time may vary.

What's included

  • Hardware module pre-flashed with our firmware.
  • Your customizations and configurations fully installed and ready for integration into your product.

Technical specifications

Chipset ESP32-C3 embedded, 32-bit RISC-V single-core processor, up to 160 MHz
Memory 400 KB SRAM (16 KB for cache), 8 MB flash
Bluetooth® LE Bluetooth 5
Wi-Fi 2.4 GHz, IEEE 802.11 b/g/n-compliant
Antenna On-board PCB antenna
Operating voltage 3.0~ 3.6 VDC
Operating temperature -40°C ~ 105°C
Height 18.57mm / 0.731 in
Length 15 mm / 0.591 in
Width 1.0 mm / 0.039 in

Documents and Downloads

📄 Shelly X3 datasheet 📄 Shelly X3 IOs 📄 Shelly X3 dimensions

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