Shelly PRO 4PM Relay Switch
$169.00
Professional DIN rail mountable 4 channel relay (up to 16A each) with power monitoring and Wi-Fi, LAN, and Bluetooth connectivity. Suitable for home and commercial facility automation with remote smart control and precise power management. Enhanced safety features including temperature, overpower, and over-voltage load protection, the Shelly Pro series is designed to be installed inside a breaker box (DIN rail). Shelly may work as a standalone device or as an accessory to another home automation controller.
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Professional.
4 relays up to 16A each.
Wi-Fi or Ethernet
Connect Shelly Pro 4PM directly to your network. No Smart Hub required.
Bluetooth
DIN Rail mountable
Power metering
Shelly Pro 4PM provides precise monitoring of the power consumption of connected loads.
Extremely fast processor
Enhanced safety
Enhanced security
MQTT and WSS support, TLS and custom certificates support for a broad range of use.
Improved API interface
Simple install.
Control.
From anywhere in the World.
With Shelly Pro 4PM you can automate up to 4 lighting circuits and almost any electrical appliances and control them remotely. Shelly Pro 4PM can even control appliances with large loads (up to 16A) which makes it perfect for kitchen appliances and domestic systems monitoring and control.
Monitor.
You can now monitor and analyse the power consumption of your electrical appliances and lighting. Shelly Pro 4PM has an integrated precise power meter that allow you to measure the power consumption and features free data storage for analysis. Help save the environment and save money.
Automate.
The true power of a smart home is in the automations. Not having to touch your phone or use your voice assistant. Shelly Pro 4PM will allow you to automate your lights and appliances on a schedule or when certain conditions around your home are met (e.g. when your Shelly Door / Window Sensor is triggered).
App Control.
Voice control.
Flexible control.
Full control.
Shelly is an open platform. With the embedded web server and HTTP commands, Shelly can be made compatible with your home automation systems and projects… securely and easily.
The finer details
Power |
|
| Power supply AC: | 110-230V ±10%, 50/60Hz |
| Power supply DC: | No |
| Maximum load: | Up to 16A per channel with up to 40A for the whole device |
| Device power consumption: | < 4 W |
Special functions |
|
| DIN Rail mountable: | Yes |
| Dry contacts: | No |
| Roller shutter mode: | No |
| Device temperature protection: | Yes |
| Overload protection: | Yes |
| Power measurement: | Yes |
| Working without a neutral wire: | No |
Features |
|
| Control channels: | 4 On/Off Relay Channels |
| Operational temperature: | -20°C to + 40°C |
| Intelligent On/Off: | Yes |
| Local and smart control: | Yes |
| Sunrise/Sunset timer: | Yes |
| Built-in weekly scheduler: | Yes |
Connectivity |
|
| Wi-Fi protocol: | 802.11 b/g/n |
| Radio frequency: | 2400 – 2500 MHz |
| Radio signal power: | 1mW |
| Wireless range: | up to 50 m outdoors and up to 30 m indoors (depending on the building materials) |
| Bluetooth: | Yes |
| Ethernet: | Yes |
Dimensions |
|
| Size: | 90mm x 52mm x 57mm |
OPTIONAL ACCESSORIES
Shelly Wall Display
Shelly PRO 4 Port LAN Switch
Shelly Compatible RC Snubber
FROM OUR BLOG
An introduction to Shelly Wi-Fi smart devices
How to use Shelly Wall Display with Home Assistant
Shelly wireless 2-way switch
How to create Shelly scenes and schedules
Shelly Wi-Fi Setup & Troubleshooting Guide
Free Shelly Quick Apps for Fibaro Home Center 3
1 review for Shelly PRO 4PM Relay Switch
Product Questions & Answers
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Hi, Do these always default to on if the device logic fails? I like the idea but having devices in my electricity box, but I can't remove thse myself so having them fail to always on is essential. Basically is the realy NC if the control circuits fail.
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Q Hi, Do these always default to on if the device logic fails? I like the idea but having devices i...... Read moreA
If the device fails - the relays will remain in their current state. If the power fails, you can set the Shelly device to come back on to its previous state, or as "on" or "off".
can you get this type of device but can dimm lights on each output
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Q can you get this type of device but can dimm lights on each outputA No - this a relay (switch on/off only) - a multi-channel dimmer is not available.
Can this device replace the current circuit breaker for the circuits its being used for?
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Q Can this device replace the current circuit breaker for the circuits its being used for?A
No, it is not designed to be a circuit breaker - rather it controls the circuits on the output of the breaker.
Do you have RCM marking on these products?
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Q Do you have RCM marking on these products?A
Yes, all Shelly devices we offer carry full AU / NZ approvals.
Hi - I’m wanting to install a smart device to measure the power usage of my air conditioner. It uses 15A to cool but 20A to heat. Is there a Shelly device that would work for this device? Thanks
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Ben (verified owner) –
This is a great little relay. Replaced 8 Fibaro dimmers that were flashing with the Ausgrid Ripple control. Really easy to install. Nice little web interface for initial setup whilst installing. Will use more of these.