Shelly

Shelly Pro EM 50A Wi-Fi LAN Energy Meter with Contactor Control DIN-Rail Home Automation Bluetooth Gateway Compatible with

4.6(3,184)
$81.49

65+ bought in the past month

About this item

  • Shelly Pro EM 50A is a Wi-Fi energy meter with contactor control and LAN connectivity. Designed for DIN rail mounting, this single-phase, dual-channel energy meter comes with an integrated switch featuring potential-free contacts for precise contactor control. The package includes two 50A current transformers for accurate energy measurement. Additionally, it functions as a Bluetooth gateway, enhancing smart home integration and connectivity.
  • Perfect for SMB owners - If you own a small or medium-sized business, chances are you've struggled with excessive energy consumption at some point. Some machines and equipment are on all the time. With the Shelly PRO EM-50 you can measure and reduce consumption with the highest precision by switching off consumers such as water dispensers, laminators and lights at night.
  • Home Renewable Energy Ecosystem - If you have a photovoltaic (PV) system at home, the Shelly PRO EM-50 can help you meter grid and imported energy from renewable sources. It also features configurable load control, allowing you to redirect excess energy from renewable sources to electronic devices in your home, optimizing your energy use.
  • 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.
$81.49

In Stock

Easy Returns · Return eligibility shown before checkout

How you'll get this item

DeliveryShipping details confirmed at checkout

Fulfillment

Ships fromVentari
Sold by
Shelly USA
Returns
Easy ReturnsReturn eligibility shown before checkout
PaymentsPayment details confirmed at checkout
Currently unavailable
Easy Returns · 30-day window
Product details
Connector TypeClamp
Contact MaterialSteel
Contact TypeNormally Open
Current Rating50 Amps
Mounting TypeDIN Rail Mount

From the brand

Product detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detailProduct detail
Product detailProduct detailProduct detailProduct detail

Product videos

Product video 1

Customer reviews

4.63,184 ratings
  1. 5★88%
  2. 4★13%
  3. 3★0%
  4. 2★0%
  5. 1★0%

Customers say

Customers find the energy meter works well, with one mentioning it can be rebooted from Home Assistant. Customers appreciate its ease of installation, with one noting it requires no programming.

★★★★★

Works perfectly and easy to install / setup

Tom—January 18, 2026✓ Verified purchase

Excellent product and easy installation. Allows me to monitor a remote condo and keep tabs on the HVAC and power consumption. The app is well polished and provides all the information and control you would expect with this device Read more

★★★★★

Cool power monitor/relay great interfaces

Doug A—February 6, 2026✓ Verified purchase

Outstanding piece of kit. WiFi and wired Ethernet, web, JSON, Matter, Modbus and more all built in. Mine worked right out of the box. Got ic controlled via the web and MODBUS TCP. Handy device priced right. Read more

★★★★★

Pro level current meter at a bargain price!

CuriousJoe—July 12, 2025✓ Verified purchase

Fantastic current meter! The bonus is built in Ethernet! Small size will fit in tight spaces and easy install. Great function, except for some reason data download is not working right. There is also connection point for 1 more CT, but last I checked it is not sold separately. AND I wish there was short piece of DIN rail in box. Read more

★★★★★

WOW

Guillermo M.—February 19, 2026✓ Verified purchase

I love it. Definitely is the amazing device and so easy to install. Perfect size. The connectivity is so great. Read more

★★★★☆

Works great when integrated with HomeAssistant

Dave—January 2, 2026✓ Verified purchase

Great product generally, although there are a couple issues with the REST API if you're trying to write your own code to control it. Bad SSL certificate for https, and it rejects https requests anyway with a 443 error, yet it also does a strange redirect to https when you call http on port 80. I tried updating the firmware but issue remains. Integrated with HomeAssistant and called that API instead, which works great. Would be 5 stars if not for the odd issues with restful calls. Read more

★★★★★

Excellent tool to keep historical power usage.

Bill Burton—February 26, 2026✓ Verified purchase

Monitoring various branches of my inverted AC outputs to various appliances. Works great and is very accurate. These measurements are logged on charts for historical monitoring. Easy install and no programming needed. Read more

★★★★★

Great product

Mohammed Ben-Hussain—January 28, 2026✓ Verified purchase

Worth the value, high quality and reliable Read more

★★★★★

👍

Guy Sheffi—February 14, 2026✓ Verified purchase

Easy to install and does what it claims to do.. Read more

Similar products

Customers also viewed

Recently Viewed

We use optional analytics cookies to understand how visitors use Ventari and improve the experience. This banner controls analytics measurement only. See our Cookie Policy.