Shelly Pro 4PM | Wi-Fi & LAN, 4-Channel Smart Relay with Power Metering | Home Automation | Compatible with Alexa & Google Home | iOS Android App| Remote Appliances Control and Monitoring

Price: $142.99
(as of Jun 12, 2026 13:22:53 UTC – Details)
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Product description

Smart Security

Shelly Pro 4PM offers built-in protection and seamless smart automation, ideal for diverse settings including homes, offices, business, and industrial spaces.

Automation & Monitoring

Control and monitor appliances, predict costs, and automate energy use. Shelly Pro 4PM alerts you to forgotten devices and offers smart scheduling to save electricity.

Optimal Comfort

Research shows office temperature affects productivity. Use Shelly Pro 4PM with motorized valves for efficient heating or cooling. Smart schedules and sensors optimize indoor climate.

Smart Energy

Save costs with Shelly smart lighting solutions. Control common areas and save energy with Shelly Pro 4PM’s scheduling and add Shelly Motion2 for automatic lighting.

Load Shedding

Monitor solar and wind energy with Shelly Pro 4PM. Control appliance consumption and optimize energy usage with real-time data from Shelly 3EM.

Size (HxWxD): 96x53x59 ±0.02 mm / 3.78×2.01×2.32 ±0.02 in Power supply AC 110-230V ±10%, 50/60Hz Maximum load up to 16A per channel with up to 40A for the whole device Power supply DC No Channels 4 Channel Roller shutter mode No Device temperature protection Yes Overload protection Yes Power measurement Yes HTTP/HTTPS webhooks Yes Custom scripts (mJs) Yes Device power consumption < 4 W Intelligent On/Off Yes Local and remote control Yes Sunrise/Sunset Yes Weekly Schedule Yes

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Customer Reviews

4.4 out of 5 stars 756

4.7 out of 5 stars 2,345

4.4 out of 5 stars 18

4.5 out of 5 stars 190

Price

$142.99$142.99

$154.99$154.99

$329.99$329.99

$150.99$150.99

Functions

Triggering, Energy Monitoring

Real-time energy monitoring

Real-time energy monitoring

Real-time energy monitoring

Additional functions

Control 4 Independent Channels

Measures up to 120 A per phase

Measures up to 400 A per phase

Measures up to 63 A per phase

Power Supply

AC

AC

AC

AC

Inputs

4 Inputs

3 inputs

3 inputs

3 Inputs

Outputs

3 Channels, up to 16 A

3 Channels

3 Channels

3 Channels

Wi-Fi and Bluetooth

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✔

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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.

Shelly Pro 4PM is a single-phase, four-channel DIN rail relay with LAN and Wi-Fi connectivity, supporting up to 16A per channel and a total device capacity of 40A. Equipped with four integrated precision power meters, it enables independent monitoring and control of energy consumption for each channel. Additionally, it functions as a Bluetooth gateway, enhancing smart home connectivity and automation.
Shelly Pro 4PM can make your halls, garages, and storage rooms energy efficient using the built-in scheduling and scripting functionalities. Connect Shelly Pro 4PM to your appliances and use Shelly 3EM’s real-time information on how much energy has been generated from your solar panels and wind turbines and how much is it consumed from your other devices.
Shelly Pro Series – Enhanced with temperature, overpower, and overvoltage load protection, Shelly Pro Series is designed to be installed inside the breaker box (DIN). Allowing full smart automation with no additional cables or wiring, Shelly Pro line is perfect for homes, offices, stores, businesses, and manufacturing facilities, as well as new buildings.
Shelly Customer Service – Shelly is one of the fastest-growing Smart Home brands in the world with devices, providing solutions for the automation of private homes, buildings and businesses. We provide our customers with professional support and a 5 years device warranty.
Shelly Smart Control App will help you control your Shelly devices remotely and will send notifications for all automated events in your home. You can easily configure devices and manage their settings individually, or you can create personalized scenes by combining Shelly devices to trigger certain actions in your home automation.