Descripción
The Shelly Pro 3 is a professional 3-channel smart relay, designed for DIN-rail mounting, capable of controlling up to three independent electrical circuits, including three-phase applications.
With LAN (Ethernet), Wi-Fi and Bluetooth connectivity, this device offers maximum stability and high flexibility in complex electrical automation, making it ideal for electrical panels, commercial buildings and industrial applications.
Thanks to its dry contacts, the Shelly Pro 3 can control a wide range of equipment, from lighting to HVAC systems or industrial automation.
Key features
- Professional smart relay with 3 independent channels
-
DIN rail mounting (electrical panel)
- Support for single-phase and three-phase circuits
-
LAN + Wi-Fi + Bluetooth connectivity
- Potential-free contacts (dry contacts)
- Compatible with Android, iOS, Alexa, Google Home, SmartThings
- Advanced automation (MQTT, scripting, webhooks)
- Integrated web interface
Features and benefits
? Control for 3 independent circuits
You can manage simultaneously:
- lighting
- equipment
- separate circuits
- different phases
? Three-phase support (major advantage) – Ideal for industrial and commercial applications.
? LAN connectivity = maximum stability - Perfect for systems where uptime is critical.
? Potential-free contacts
Allows integration with:
- industrial automation
- access control systems
- HVAC
- gates and barriers
? Advanced automation
Full integration with:
- Home Assistant
- BMS systems
- External APIs
Applications
- Electrical panel automation
- Three-phase system control
- Commercial and industrial buildings
- Professional lighting control
- HVAC automation
- Advanced smart home systems
| General information |
| Model |
Shelly Pro 3 (SPSW-003XE16EU) |
| Product type |
Professional 3-channel smart relay |
| Mounting |
DIN rail |
| Contacts |
Potential-free (dry contact) |
| Dimensions |
| Dimensions |
96 x 53 x 59 mm |
| Power supply |
| Supply voltage |
110–240 V AC |
| Power consumption |
< 3 W |
| Outputs |
| Number of channels |
3 |
| Maximum current |
16A / channel (48A total) |
| Maximum voltage |
240V AC / 30V DC |
| Inputs |
| Switch inputs |
3 (S1, S2, S3) |
| Connectivity |
| Ethernet (LAN) |
Yes (RJ45) |
| Wi-Fi |
802.11 b/g/n |
| Bluetooth |
4.2 |
| Smart features |
| Local control |
Yes |
| Cloud control |
Yes |
| MQTT |
Yes |
| Scripting |
Yes |
| Webhooks |
Yes |
| Scheduling |
20 |
| Compatibility |
| Platforms |
Android, iOS, Amazon Alexa, Google Home, Samsung SmartThings |
| Protections |
| Overheating |
Yes |
| Operating conditions |
| Temperature |
-20°C to +40°C |
| Hardware |
| CPU |
ESP32 |
| Memory |
8 MB |
