Shelly
Shelly Pro 4PM Relay
Shelly Pro 4PM Relay
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Description
Description
Discover Shelly Pro 4PM, a four-channel DIN-rail-mountable smart switch designed for accurate power consumption measurement. Equipped with the latest second-generation firmware technology, LAN connectivity, and a color graphic display, Shelly Pro 4PM offers professional integrators a wide range of options for customized solutions for their clients. This device can operate standalone on a local Wi-Fi network or can also be managed through cloud-based home automation services.
Shelly Pro 4PM allows remote access, control, and monitoring from any location with an internet connection, ensuring the user can manage and monitor their system from anywhere. It also includes an integrated web interface that facilitates monitoring and controlling the device, as well as configuring its settings.
Ideal for implementation in both residential and commercial environments in Spain, Shelly Pro 4PM is positioned as an efficient and secure solution for advanced energy management and intelligent building automation.
Connectivity
Connectivity
- Wi-Fi AP enable/disable
- Wi-Fi enable/disable
- Ethernet enable/disable
- Bluetooth enable/disable







The Shelly Pro 4PM is an advanced smart relay designed to provide complete and secure control of up to four electrical circuits. Equipped with real-time power monitoring features, this device allows you to efficiently manage energy consumption, optimizing the performance of your home or business.
Key Features of the Shelly Pro 4PM :
-
Multi-circuit Control :
- It handles up to four independent channels , ideal for automating various electrical devices such as lights, appliances and heating systems.
-
Advanced Power Monitoring :
- It tracks energy consumption by channel in detail, helping to identify and reduce unnecessary expenditure.
-
Next-Generation Connectivity :
- Compatible with Wi-Fi and LAN , ensuring a stable and versatile connection for use in home or business networks.
-
High Electrical Safety :
- Includes built-in protection against overheating and overloads, ensuring reliable and safe operation.
-
Integration into Home Automation Systems :
- Compatible with the most widely used protocols, such as MQTT , REST API , and Home Assistant , making it easy to integrate into any automation ecosystem.
-
Remote and Smart Control :
- Manage all channels from the Shelly Cloud app, voice assistants like Alexa and Google Assistant, or through custom scheduling.
-
Professional and Modular Design :
- Designed to be DIN rail mounted, its modular structure makes it perfect for professional electrical panels and advanced configurations.
Advantages of the Shelly Pro 4PM :
- Advanced automation for smart homes and commercial environments.
- Energy savings through real-time monitoring.
- Simple configuration and adaptability to any network or system.
With the Shelly Pro 4PM , you can control and monitor your electrical circuits efficiently and safely, while optimizing energy consumption and improving the comfort of your space. This device represents the perfect combination of technology, functionality, and professional design.
Size | 90 x 52 x 57 mm |
Shelly Pro 4 PM Specifications
Type |
Value |
---|---|
Physical |
|
Size (HxWxD): |
96x53x59 ±0.5 mm / 3.78x2.01x2.32 ±0.02 in |
Weight: |
|
Mounting: |
DIN rail |
Screw terminals maximum torque: |
0.4 Nm / 3.5 lbin |
Conductor cross section: |
0.5 to 2.5 mm² / 20 to 14 AWG |
Conductor stripped length: |
6 to 7 mm / 0.24 to 0.28 in |
Shell material: |
Plastic |
Color: |
Black |
Environmental |
|
Ambient temperature: |
-20°C to 40°C / -5°F to 105°F |
Humidity |
30% to 70% RH |
Max. altitude |
2000 m / 6562 ft |
Electrical |
|
Power supply voltage AC: |
110 - 240 V |
Power supply voltage DC: |
N/A |
Power consumption: |
< 4 W |
Neutral not needed: |
No |
Output circuit ratings |
|
Max switching voltage AC: |
240 V |
Max switching voltage DC: |
N/A |
Max switching current AC: |
16 A per channel, 40 A total |
Max switching current DC: |
N/A |
Sensors, meters |
|
Voltmeter (AC) |
Forks |
Ammeter (AC) |
Forks |
Internal-temperature sensor: |
Forks |
Radio |
|
RF band: |
2400 - 2495 MHz |
Max. RF power: |
<20 dBm |
Wi-Fi protocol: |
802.11 b/g/n |
Wi-Fi Range: |
Up to 30 m / 100 ft indoors and 50 m / 160 ft outdoors |
Bluetooth Protocol: |
4.2 |
Bluetooth Range: |
Up to 10 m / 33 ft indoors and 30 m / 100 ft outdoors |
MCU |
|
CPU: |
ESP32-D0WDQ6 |
Flash: |
8 MB |
Firmware capabilities |
|
Schedules: |
20 |
Webhooks (URL actions): |
20 with 5 URLs per hook |
Scripting: |
Forks |
MQTT: |
Forks |
CoAP: |
No |