Shelly 1 Mini Gen4 — Multi-Protocol Ultra Compact 8A Relay

Shelly 1 Mini Gen4 — Ultra-Compact Multi-Protocol Relay

The Shelly 1 Mini Gen4 (model S4SW-001X8EU) is an ultra-compact fourth-generation 1-channel WiFi relay with WiFi 802.11 b/g/n/ax, Zigbee 3.0, Bluetooth BLE 5.0, and Matter. Only 29×34×16 mm. No neutral required. No hub or subscriptions.

Official model: S4SW-001X8EU

• 1-channel 8A relay — dry contact, no neutral required
• Power supply: 110-240V AC / up to 30V DC
• Quad connectivity: WiFi ax + Zigbee 3.0 + BT 5.0 + Matter
• Ultra-compact design: 29 × 34 × 16 mm
• Compatible with Home Assistant, Alexa, Google Home, Apple Home

Integrations: Home Assistant (local), Amazon Alexa, Google Home, Apple Home (Matter), MQTT, HTTP REST API, mJS scripting.

• RF band: 2400 - 2495 MHz
• Max. RF power: <20 dBm
• Wi-Fi protocol: 802.11 b/g/n/ax (2.4 GHz)
• Wi-Fi range: Up to 30 m indoors / 50 m outdoors
• Bluetooth protocol: BLE 5.0
• Bluetooth range: Up to 10 m indoors / 30 m outdoors
• Zigbee 3.0 (coordinator or router)
• Matter (over WiFi)

Documentation and resources:

• Official Knowledge Base — Shelly 1 Mini Gen4
• API Documentation — This Device
• API Documentation — All Shelly Devices and Services

Installation guides:

• Shelly 1 Mini Gen4 Installation Guide
• Web Interface Guide

Certifications and regulatory compliance:

• CE, RoHS, Matter