Shelly Pro 2PM 2-Channel DIN Rail Smart Relay with Wi-Fi and Power Metering
The Shelly Pro 2PM is a professional-grade 2-channel DIN rail mountable smart relay switch designed for advanced home and facility automation. With integrated power metering on each channel, Wi-Fi, LAN, and Bluetooth connectivity, this versatile relay delivers precise control and monitoring for lighting, appliances, roller shutters, gates, and motors up to 600W. Supporting 16A per channel (25A total), it's the perfect solution for electricians, integrators, and smart home enthusiasts looking for reliable, professional-grade automation with real-time energy monitoring.
Key Features
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Dual-channel relay: Control two separate loads up to 16A each, with a total device capacity of 25A
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Integrated power metering: Monitor energy consumption for each channel separately with precise power measurement and free cloud data storage
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DIN rail mounting: Professional installation inside breaker boxes for clean, permanent smart home integration
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Triple connectivity: Wi-Fi, LAN (Ethernet), and Bluetooth for maximum flexibility and reliability
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Roller shutter & motor control: Supports bi-directional AC motor control for shutters, awnings, curtains, gates, and garage doors
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Advanced safety features: Overvoltage, overpower, and overtemperature protection with instant notifications
Professional Automation Made Simple
The Shelly Pro 2PM works as a standalone device in a local Wi-Fi network or integrates seamlessly with cloud home automation platforms including Home Assistant, Google Home, Amazon Alexa, MQTT, KNXnet/IP, and REST API. With Gen2 firmware flexibility, enjoy advanced scripting capabilities, weekly scheduling (up to 20 actions), HTTP/HTTPS webhooks, and dynamic sunrise/sunset automation.
Power Monitoring & Energy Management
Each channel features a dedicated precise power meter that tracks real-time energy consumption. Perfect for monitoring appliances, optimizing energy usage, and identifying power-hungry devices in residential or commercial installations. Data is stored for free in the Shelly Cloud, accessible anytime from the Shelly Smart Control app.
Enhanced Safety & Reliability
Built to professional standards, the Shelly Pro 2PM includes flame-retardant V-0 rated materials, an internal temperature sensor measuring heat every 100ms, and automatic shutoff protection against overvoltage, overpower, and overheating. The device supports simultaneous Wi-Fi and LAN usage for backup connectivity, ensuring your automation never goes offline.
Perfect For
- Lighting control on different phases
- Roller shutters, motorized curtains, and awnings
- Garage doors, gates, and access barriers
- Appliance automation with energy monitoring
- Commercial and office facility automation
- Smart building projects requiring DIN rail installation
Universal Compatibility
The Shelly Pro 2PM supports a wide range of smart home ecosystems and protocols, including Google Home, Amazon Alexa, Home Assistant, Samsung SmartThings, Hubitat, IFTTT, MQTT, KNXnet/IP, and REST API. No additional hub required for basic operation. Control via the free Shelly Smart Control app (iOS/Android), web interface, or voice assistants.
What's in the Box
- Shelly Pro 2PM smart relay switch
- DIN rail mounting clips
- Quick start guide
Full Specifications
Electrical
| Power Supply |
110-240V AC, 50/60 Hz |
| Channels |
2 independent relay outputs |
| Maximum Load per Channel |
16A (resistive load) |
| Total Device Capacity |
25A |
| Power Metering |
Integrated on both channels |
| Relay Type |
Single-phase, 1-pole |
Connectivity
| Wi-Fi |
IEEE 802.11 b/g/n, 2.4 GHz |
| Ethernet (LAN) |
10/100 Mbps |
| Bluetooth |
Bluetooth for device setup and inclusion |
| Protocols |
HTTP, HTTPS, MQTT, CoAP, KNXnet/IP, WebSocket |
| Cloud Support |
Shelly Cloud with free data storage |
Features
| Power Monitoring |
Real-time consumption tracking per channel |
| Roller Shutter Mode |
Supported (bi-directional AC motors up to 600W) |
| Scripting |
mjS scripting support for custom automation |
| Scheduling |
Up to 20 weekly schedule actions |
| Webhooks |
HTTP/HTTPS webhooks supported |
| Sunrise/Sunset |
Dynamic scheduling based on location |
| Web Interface |
Embedded web UI for configuration |
Safety & Protection
| Overvoltage Protection |
Yes, with notification |
| Overpower Protection |
Yes, with automatic shutoff |
| Overtemperature Protection |
Yes, internal sensor (100ms monitoring) |
| Flame Retardant Rating |
V-0 |
| TLS Support |
TLS 1.2 for secure connections |
Physical
| Mounting |
DIN rail (standard switchboard) |
| Dimensions |
Contact manufacturer for precise dimensions |
| Weight |
Contact manufacturer for weight specifications |
| Operating Temperature |
-40°C to +40°C |
| Humidity |
30% to 70% RH |
| Terminal Type |
Screw terminals (2-terminal connectors) |
Compatibility
| Smart Home Platforms |
Google Home, Amazon Alexa, Home Assistant, Samsung SmartThings, Hubitat, IFTTT |
| Control Methods |
Shelly app (iOS/Android), voice control, web interface, REST API, MQTT |
| Hub Required |
No (works standalone) |
Warranty & Support
| Warranty |
5 years (Shelly Pro series) |
| Manufacturer |
Allterco Robotics |
| Firmware |
Gen2 with regular updates |
Specifications are sourced from the manufacturer product page and may be updated. Professional installation by a qualified electrician is required.