My Shelly Pro 4PM disconnects frequently. What should I do?

Set static IP out of the DHCP range and attention on the RSSI signal. Make sure that you do not have smart features enabled on your router and you are using the best wi-fi channel suitable for you. Contact the support for further troubleshooting.

How do I install Shelly Pro 4PM?

Shelly Pro 4PM (96x53x59 ±0.02 mm) is DIN-mountable inside the breaker box. Check the wiring diagram in our User & Safety Guide for further wiring instructions and avoid connecting different phase/voltage to the device, as this will harm it.

What is the maximum load supported by Shelly Pro 4PM?

Shelly Pro 4PM is a single phase, 4-channel relay switch, supporting up to 16A per channel (total capacity of 40 A) at 110 - 240 V.

How to improve Wi-Fi signal for Shelly Pro 4PM?

For a reliable connection, your WiFi signal should display levels lower than -67. Improve it by optimizing your router placement and avoiding obstacles that may interfere with it. Updating router's firmware and using range extenders might also help.

What home automation systems does Shelly Pro 4PM support?

Shelly Pro 4PM supports Amazon Alexa, Google Home, SmartThings, Home Assistant and others.

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Shelly Pro 4PM Professional Switch Relay with 4 Contacts, Wi-Fi for Home Automation, Amazon Alexa Voice Controls, Google Home and MQTT, Black

Shelly Pro 4PM Professional Switch Relay with 4 Contacts, Wi-Fi for Home Automation, Amazon Alexa Voice Controls, Google Home and MQTT, Black

Product ID: 733613652

Details

Brand
Shelly
Connector Type
Screw
Current Rating
40 Amps
Mounting Type
DIN Rail Mount
Operation Mode
Automatic

📶Wi-Fi, LAN & Bluetooth tri-connectivity

🔌4 channels @16A each

🛠️DIN rail mount for sleek integration

Description

⚡ Power your smart life with pro-level control and connectivity!

ADVANCED ENERGY MANAGEMENT - Track and optimize power usage with precise wattage monitoring to save energy and cut costs.
QUAD CHANNEL POWER CONTROL - Manage up to 4 independent circuits with 16A per channel for ultimate home or workspace automation.
VOICE ACTIVATED CONVENIENCE - Compatible with Amazon Alexa and Google Home for hands-free control that keeps you ahead of the curve.
PROFESSIONAL GRADE INSTALLATION - DIN rail mountable design ensures clean, secure, and professional setup inside your switch box.
SEAMLESS MULTI PROTOCOL CONNECTIVITY - Effortlessly connect via Wi-Fi, LAN, or Bluetooth to fit your smart ecosystem without limits.

The Shelly Pro 4PM is a professional 4-channel relay switch designed for advanced home automation. It supports Wi-Fi, LAN, and Bluetooth connections, allowing seamless integration with Alexa, Google Home, and MQTT platforms. Each channel handles up to 16A with a total max output of 40A, mounted neatly on a DIN rail for a clean, professional installation. Ideal for managing lighting, security, and energy systems with precise power monitoring and remote control.

Specifications

ASIN	B09CKVZSDY
Brand	Shelly
Brand Name	Shelly
Connector Type	Screw
Contact Current Rating	16 Amps
Current Rating	40 Amps
Customer Reviews	4.4 out of 5 stars 766 Reviews
Global Trade Identification Number	03800235268049
Included Components	SHELLY 4PRO+ - PACK ML
Item Type Name	SHELLY 4PRO+ - PACK ML
Item Weight	150 Grams
Manufacturer	Allterco Robotics EOOD
Maximum Switching Current	40 Amps
Model Number	3800235268049
Mounting Type	DIN Rail Mount
Operation Mode	Automatic
Part Number	804
Unit Count	1.0 Count
Wattage	9600 Watts

Reviews

V**O

Perfect for the home automation geek

Great product, we have four in our control cabinet and use it to get a good understanding how much electricity we are using and where in much more detail than before. Which is nice because it help us reduce a significant amount and gave us good insights how many battery power (off grid home) we need to become fully self sufficient. + trustworthy and very detailed + doesn’t require cloud + easy to install for home assistance

19.08.2024

A**S

impecavel

eficaz

15.07.2026

J**Z

Buen equipo

Buen controlador y fácil de prgramar

11.04.2026

S**I

⭐⭐⭐⭐⭐ Gestione perfetta e affidabile per la domotica avanzata!

Ho acquistato il Shelly Pro 4PM per installarlo nel quadro elettrico e sono davvero entusiasta delle sue prestazioni. L'installazione è stata semplice e intuitiva, anche per chi non è un esperto. Grazie alla sua integrazione con Alexa, posso gestire l'accensione e lo spegnimento programmato di pompe tramite routine, e il dispositivo non perde mai un colpo! La precisione nella misurazione dei consumi per ogni canale è un grande valore aggiunto, aiutandomi a monitorare l'energia utilizzata in modo dettagliato. La costruzione è solida e il dispositivo funziona in modo impeccabile, offrendo un controllo completo e affidabile su più circuiti. Consiglio questo prodotto a chiunque voglia una soluzione professionale per la gestione domotica e il monitoraggio energetico.

19.12.2024

T**S

Shelly devices are incredible

These controllers are the best. They are simple to setup and work fantastically with Home Assistant. I have automated every single light with three of them.

26.04.2026

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