Shelly Pro 3 – Professional 3-Channel DIN Rail Relay with LAN / Wi-Fi / Bluetooth

Shelly Pro 3 is a professional-grade 3-channel relay module for DIN-rail installation, designed for advanced home and commercial automation. It includes three 16 A dry-contact outputs (up to 48 A total), offers LAN/Wi-Fi/Bluetooth connectivity, enhanced safety features and full scripting capabilities for custom automation.

Key Features

• 3 independent channels, 16 A each, 48 A total

• Dry contact outputs for wide voltage compatibility

• LAN + Wi-Fi + Bluetooth for stable connectivity

• Supports both low- and high-voltage applications

• Three-phase control for professional installations

• Built-in protections: over-temperature, surge, overload

• mJS scripting, HTTP/HTTPS webhooks

• Intelligent schedules, sunrise/sunset automation

Applications

• commercial lighting control

• HVAC valves, heating/cooling automation

• hotels, offices, retail and industrial facilities

• integration into professional automation systems

Technical Specifications

• Power supply: 110–240 V AC, 50/60 Hz

• Channels: 3 × 16 A (48 A total)

• Connectivity: LAN, Wi-Fi 802.11 b/g/n, Bluetooth

• Operating temperature: –20°C to +40°C

• Power consumption: < 3 W

• Webhooks: HTTP/HTTPS

• Dimensions: 96 × 53 × 59 mm

• Material: fire-resistant V-0