Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection

More than 5 pcs in stock
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Shelly Pro 4PM 4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Wi-Fi, LAN (Ethernet), Bluetooth
No (neutral wire required)
230V AC
16 A
1 phase
Dry Contact Relay
DIN rail
79.57 € (excl. VAT)
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4 channels DIN rail relay switch with Wi-Fi, LAN and Bluetooth connection
Professional 4 channels relay with Wi-Fi, LAN, and Bluetooth connection, suitable for home and facility automation with remote control and precise power management. DIN rail mountable insde a breaker box. Enhanced safety features and compatible with most used home automation platforms.

Shelly Pro 4PM

  • LAN, Wi-Fi, and Bluetooth connection
  • 4 outputs, 16A each. Total device maximum of 40A
  • Precise power metering
  • Overpower and overvoltage protection of the load.
  • DIN rail mountable
  • 1.8-inch color screen with navigation keys


Supreme home and facility automation with Shelly’s professional line of smart switches
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, business, and manufacturing facilities, as well as new buildings.

DIN rail mountable
The Shelly Pro Line is intended to be installed inside the breaker box and designed to meet the global DIN rail standardization. That makes it suitable for all kinds of buildings and ensures easy installation with no additional components needed.




  • Working on 2.4 GHz Wi-Fi network, supporting Access Point (AP) and Client Mode (CM) options
  • Now, add device fast and easy via Bluetooth connection, using Shelly Cloud App
  • LAN connection for high security and reliability. Simultaneous Wi-Fi and LAN usage, as back up when needed


  • Temperature protection
  • Overpower protection (PM devices)
  • Overvoltage load protection (PM devices)
  • Flame Retardant (V-0)


  • HTTP/HTTPS webhooks
  • Sunrise/Sunset actions with offsets
  • Weekly Scheduling
  • Custom scripts(mJs)
  • Grouping
  • Scenes

Voice Assistants

  • Amazon Alexa
  • Google Home
  • Yandex Alica

Supported Platforms & Protocols

  • Amazon Alexa
  • Google Home
  • Yandex Alica
  • Smart Things
  • MQTT
  • Home Assistant
  • REST
  • Homey
  • Hubitat
  • Hoobs
  • Symcon
  • Home Seer
  • Domoticz
  • Nymea
  • Open HAB


Enhanced safety features
Safety is our top priority! Enhanced safety features make Shelly Pro devices suitable for every environment

  • Overheating protection 
    In case of unsafe temperature levels or rapid temperature increase, device switches off the outputs and sends notification. Internal temperature sensor is measuring the heat every 100 ms.
  • Overpower protection
    Detected overpower will lead to outputs switch off by the device and it will immediately send notification. Overpower protection feature protects the device and other electrical equipment from potential damage.
    *Feature is available only for power metering enabled devices
  • Overvoltage protection
    Voltage peaks could be dangerous for electrical appliances and machines. To avoid damage to the electrical appliances the device switches off the outputs when overvoltage peaks are detected and immediately sends a notification.
    *Feature is available only for power metering enabled devices
  • Flame Retardant (V-0)
    All Shelly Pro components are produced with flame-resistant materials and will keep their construction even when exposed to high levels of heat.



HTTP/HTTPS webhooks for quick connection
Enhanced with HTTP/HTTPs webhooks, Shelly Pro line can easily connect with, notify or control another compatible equipment or 3rd party automation system.

Smart actions that follow the Sunrise/Sunset
Shelly Pro line can switch on/off the power, depending on the Sunset and Sunrise hour, which makes it perfect for dynamic control of the electrical equipment depending on the season.

Automation with weekly scheduling
Shelly Pro line allows you to set up to 20 actions based on your daily or weekly schedule with no need for an external hub or server.

Scripting for custom automation
Shelly Pro line fully supports mjS scripting, allowing customers to create own features and functionalities! Shelly Pro line devices allow multiple scripts to be executed together, depending on various triggers as input/output status, sensor data or WLAN requests.


The best solution for new home buildings and business facilities

Automation based on your needs with no additional cables
Shelly Pro line allows you full smart automation from the breaker box with minimized additional cables or wiring required. That makes it the perfect solution for new buildings and manufacturing facilities, which you can automate based on your or your business’s needs.

Precise power measurement for detailed control over electricity costs
Shelly Pro line is equipped with ESP32 processor, providing immediate notifications and real-time power consumption measurements. The precise power metering features of the PM devices will keep you informed about the electricity consumption of each connected device, making it possible to analyze the data and help you cut electricity costs.


Shelly Pro 4PM

  • Precise power metering
  • Wide range of voltage support
  • Enhanced overtemperature protection
  • 1.8-inch color screen with navigation keys
  • LAN, Wi-Fi, and Bluetooth connectivity


Shelly Pro 4PM is a one-phase, 4 channel smart relay equipped with LAN, Wi-Fi and Bluetooth connectivity, and precise power metering. Shelly Pro 4PM can be powered by 110-240V AC and installed inside the breaker box, allowing full smart automation from one centralized place. Enhanced with temperature and overload protection, Shelly Pro 4PM is a reliable device for a wide variety of applications. Use it in virtually any business facility to control and monitor the consumption of appliances, manage your costs, and enjoy endless functionalities support by using your own custom scripts.


With the power to control and power measure a variety of appliances, Shelly Pro 4PM can work standalone or be complementary to any existing automation project. Here are just a few applications worth considering for your home, business facility or office building:

Оffice lights
Group your office lights and control them remotely or on a pre-set schedule to avoid manually switching them off after work.

Ventilation control
Optimize the usage of heating based on temperature measurements from sensors or the current weather forecast.

Оffice outlets
Make sure no appliances stay on after working hours by turning off outlets remotely.

Оffice heating
Control the central ventilation according to current weather or pre-set values with a sensor.

AC motor pumps control
Control any one-directional motor pump remotely or on a set schedule.

Load shedding
Together with Shelly 3EM, make smart decisions about which circuits to cut off, according to their consumption and importance to your organization.


Because of the DIN mounting of Shelly Pro 4PM, you can control devices in your home or office from one centralized place – the breaker box. This makes it very suitable for heavy load appliances, office equipment, and centrally managed and controlled smart home lighting. Stored consumption data helps with forecasting spending and allows any business or homeowner to cut down their electricity costs.


Shelly devices can work together and execute an endless amount of scenes & scenarios triggered by various occurrences, schedules, scripts, etc. These scenes and scenarios can lead to higher efficiency, better security, and a comfortable daily routine created by you! Here are just a few possible examples:

Shelly devices can perform any scenario set by you for the nighttime, no matter if its your home, office, or any other business facility.

  • Shelly Pro 2 Turns off lights downstairs. Turns on porch lights.
  • Shelly Pro 2PM Brings roller shutters/blinds down.
  • Shelly Motion Sends command to Shelly Dimmer2 to turn on lights when motion is detected.
  • Shelly Dimmer2 Turns on lights dimly until 6 am. Once motion is not detected for 10 secs, the lights turn back off.
  • Shelly Pro 4PM Arms the security system.
  • Shelly TRV Brings room temperature down to 16°C in non-occupied rooms.
  • Shelly Pro 1 & 1PM Turns off connected sockets/appliances.

Create the perfect morning scenario based on your daily schedule and needs using any combination of Shelly devices.

  • Shelly Pro2PM Opens curtains/blinds at 7 am.
  • Shelly Pro 2 Turns on the lights downstairs.
  • Shelly Pro 1 Turns on water heater at 6am to be ready for your morning shower.
  • Shelly Dimmer2 Slowly Ramps up the bedroom lights
  • Shelly Pro 1PM Turns on floor heating at 6:30am.
  • Shelly TRVs Turn heating on at 6am to prepare the house.
  • Shelly Pro 4PM Disarms the security system at 6:30 am.
  • Shelly Pro 2PM Opens cupboards for tea/coffee once kettle is done heating.

Prepare your meeting room for presentation quickly by using Shelly!

  • Shelly Pro 2PM Brings the blinds or roller shutters down.
  • Shelly Pro 2PM Brings the projector screen down.
  • Shelly Dimmer2 Dims the lights to your desired brightness or turns them off.
  • Shelly Plug S Projector turns on.
  • Shelly Pro 1PM HVAC system (Heating, ventilation, air conditioning)


Highly compatible
Use your preferred voice assistant to control Shelly Pro devices. Shelly Pro series is compatible with most popular voice assistants.

No hub required
Shelly Pro devices can be controlled directly and without a hub through your smartphone with Shelly Cloud
App. Manage and control the all smart devices in your home, set quick profiles, scenes, schedules, and adjust settings wherever you are through the Cloud access, or only on the local network!


Many homes and buildings use more energy than they need. That leads to inefficiencies, energy waste, and eventually increased monthly bills.
Shelly home and facility automation solutions can help you reduce the energy waste and your monthly bills by up to 30% through a 3-step cycle of energy efficiency.

Supported platforms
Use devices with your one local or centralized server - you can keep them fully isolated from public Internet network. Shelly Pro series is compatible out of the box with Home Assistant. All other home automation solutions can monitor and control Shelly Pro devices using CLOUD, REST, MQTT, and UDP protocols. Shelly devices can also be grouped with all Shelly devices, as well as other smart home devices on the home network.

  • amazon alexa
  • Google Home
  • MQTT
  • SmartThings
  • Home Assistant
  • REST
  • Homey
  • HomeSeer
  • openHAB
  • ioBroker
  • Hubitat
  • Domoticz
  • nymea




  • 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
  • Operational temperature: -20°C to + 40 °C
  • Device power consumption: < 4 W
  • Intelligent On/Off: Yes
  • Local and remote control: Yes
  • Sunrise/Sunset: Yes
  • Weekly Schedule: Yes
  • UL Listed option: No


  • Wireless: Yes
  • Wi-Fi Protocol: 802.11 b/g/n
  • Wi-Fi Radio frequency: 2412 - 2484 MHz
  • Wi-Fi Radio signal power: 1mW
  • Wi-Fi Range: up to 50 m outdoors and up to 30 m indoors (depending on the building materials)
  • Bluetooth: Yes
  • Ethernet: Yes


  • Size: 90mm x 52mm x 57mm
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