Shelly Pro 4PM 4-Channel DIN Rail Smart Relay with Power Metering
The Shelly Pro 4PM is a professional-grade DIN rail mountable smart relay designed for advanced home and commercial automation. With 4 independent channels rated at 16A each (40A total), integrated power metering for each channel, and Wi-Fi, LAN, and Bluetooth connectivity, this device delivers unmatched control, monitoring, and energy management for homes, offices, manufacturing facilities, and new builds. Enhanced with temperature, overpower, and overvoltage load protection, the Shelly Pro series is designed to be installed inside the breaker box (DIN) and is perfect for homes, offices, stores, business, and manufacturing facilities, as well as new buildings.
Why Choose the Shelly Pro 4PM?
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4-Channel Smart Relay: Supports up to 16A per channel with a total device capacity of 40A, giving you flexible control over multiple circuits from a single compact device.
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Precise Power Metering: Four integrated precise power meters allow you to control and monitor the consumption for each channel separately, helping you reduce energy costs and optimise usage.
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Triple Connectivity: Equipped with LAN, Wi-Fi, and Bluetooth connectivity, it allows for a more secure and reliable connection, with simultaneous Wi-Fi and LAN use as backup.
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Advanced Scripting: Use scripting functionalities to set custom automation scenes based on various occurrences, weather forecasts, wind forecasts, etc, unlocking limitless automation possibilities.
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Enhanced Safety Features: Built-in temperature, overpower, and overvoltage protection ensure safe, reliable operation in demanding electrical environments.
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5-Year Warranty: Get a 5-year warranty on Shelly Pro devices, giving you peace of mind for professional installations.
Professional Installation & DIN Rail Mounting
The Shelly Pro 4PM is engineered for professional integrators and electricians. It is a DIN rail mountable four-channel smart switch with power measurement capabilities, enhanced with all the gen2 firmware flexibility, LAN connectivity and color graphic display, providing professional integrators with many more options for end customer solutions. Install it directly into your breaker box for a clean, wire-free smart automation setup.
Smart Home & Platform Integration
Control your Shelly Pro 4PM from anywhere using the Shelly Smart Control app (iOS and Android), voice assistants like Google Home and Amazon Alexa, or integrate it with platforms such as Home Assistant, MQTT, Samsung SmartThings, and more. It can work standalone in a local Wi-Fi network or it can also be operated through cloud home automation services and can be accessed, controlled and monitored remotely from any place where the User has internet connectivity.
Energy Management & Automation Use Cases
Perfect for controlling and monitoring lighting circuits, HVAC systems, pool equipment, heaters, and appliances. Shelly Pro 4PM can measure and control four separate light circuits and give you full control over common spaces such as halls, garages, and storage rooms, which usually have their lights constantly switched on, making them energy efficient using Shelly Pro 4PM's built-in scheduling and scripting functionalities.
What's in the Box
- Shelly Pro 4PM device, documentation, and installation guide
Full Specifications
| Model |
Shelly Pro 4PM |
| Type |
4-channel DIN rail smart relay switch with power metering |
| Rated Current per Channel |
16A (max 40A total device capacity) |
| Voltage Support |
110-240V AC |
| Connectivity |
Wi-Fi (2.4 GHz b/g/n), LAN (Ethernet RJ45), Bluetooth |
| Power Metering |
4 integrated precise power meters (per channel) |
| Mounting |
DIN rail mountable |
| Display |
1.8-inch color graphic display with navigation keys |
| Dimensions (H × W × D) |
96 × 53 × 59 mm (±0.5 mm) |
| Conductor Cross Section |
0.5 to 2.5 mm² / 20 to 14 AWG |
| Screw Terminal Torque |
0.4 Nm / 3.5 lbin |
| Safety Features |
Temperature protection, overpower protection, overvoltage load protection, flame retardant (V-0) |
| Scripting Support |
mJS scripting for custom automation |
| Protocols |
MQTT, REST API, HTTP/HTTPS webhooks, TLS 1.2 |
| Warranty |
5 years (Shelly Pro devices) |
Specifications are sourced from the manufacturer product page and may be updated.
