---
product_id: 517446550
title: "Pro 3EM (120A) - WiFi & LAN 3-phase Smart Energy Meter, DIN-rail mountable, Real-time Voltage Amps Monitoring via App, No Hub Required, Solar/Net Metering, Class B Active Energy, PV systems"
brand: "shelly"
price: "1154 Lei"
currency: RON
in_stock: true
reviews_count: 13
category: "Shelly"
url: https://www.desertcart.ro/products/517446550-pro-3em-120a-wifi-and-lan-3-phase-smart-energy
store_origin: RO
region: Romania
---

# 120A max current per phase 60 days detailed data logging WiFi & LAN dual connectivity Pro 3EM (120A) - WiFi & LAN 3-phase Smart Energy Meter, DIN-rail mountable, Real-time Voltage Amps Monitoring via App, No Hub Required, Solar/Net Metering, Class B Active Energy, PV systems

**Brand:** shelly
**Price:** 1154 Lei
**Availability:** ✅ In Stock

## Summary

> ⚡ Empower your energy IQ with Shelly Pro 3EM — Smart, sleek, and always connected!

## Quick Answers

- **What is this?** Pro 3EM (120A) - WiFi & LAN 3-phase Smart Energy Meter, DIN-rail mountable, Real-time Voltage Amps Monitoring via App, No Hub Required, Solar/Net Metering, Class B Active Energy, PV systems by shelly
- **How much does it cost?** 1154 Lei with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/517446550-pro-3em-120a-wifi-and-lan-3-phase-smart-energy)

## Best For

- shelly enthusiasts

## Why This Product

- Trusted shelly brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Long-Term Insights:** Built-in memory stores up to 60 days of energy data to optimize consumption and costs
- • **Seamless Connectivity:** Dual WiFi & LAN access with Bluetooth setup—no hub needed, instant integration
- • **Smart Automation Ready:** Compatible with Alexa, Google Home & SmartThings for effortless scheduling & control
- • **Industrial-Grade Design:** Robust DIN-rail mountable 3-phase meter built for commercial & solar PV systems
- • **Precision Power Tracking:** Real-time voltage, current & power monitoring per phase for ultimate control

## Overview

The Shelly Pro 3EM is a professional-grade, DIN-rail mountable 3-phase smart energy meter supporting up to 120A per phase. It offers real-time monitoring of voltage, current, and power via WiFi and LAN, with Bluetooth-enabled quick setup. Designed for industrial, commercial, and solar PV applications, it stores up to 60 days of detailed energy data and integrates seamlessly with popular voice assistants—no hub required.

## Description

Shelly Pro 3EM (120A) - WiFi & LAN 3-phase Smart Energy Meter, DIN-rail mountable, Real-time Voltage Amps Monitoring via App, No Hub Required, Solar/Net Metering, Class B Active Energy, PV systems : desertcart.co.uk: Business, Industry & Science

Review: Reliable and Consumer Unit compatible - Reliable and Consumer Unit compatible. Fitted multiple units and have had perfect reliability and good accuracy for last 6 months.
Review: Perfect with Home Assistant - Love this product and it’s perfectly complimented when added to Home Assistant. I now regularly check out my energy consumption via my HA Dashboard. Had these installed in their own mini consumer unit next to my main one with room to add more in the future.

## Features

- 𝗔𝗱𝘃𝗮𝗻𝗰𝗲𝗱 𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗼𝗻𝗶𝘁𝗼𝗿𝗶𝗻𝗴: Tracks accumulated energy, instantaneous voltage, current, active, and apparent power per phase/channel with 4-quadrant measurement - 𝗻𝗼 𝘀𝘄𝗶𝘁𝗰𝗵𝗶𝗻𝗴 capability included
- 𝗧𝗵𝗿𝗲𝗲-𝗣𝗵𝗮𝘀𝗲 𝗘𝗻𝗲𝗿𝗴𝘆 𝗠𝗲𝘁𝗲𝗿: Designed for industrial and commercial installations, mounts on a DIN rail and handles large-scale three-phase systems
- 𝗣𝗿𝗲𝗰𝗶𝘀𝗲 𝗠𝗲𝗮𝘀𝘂𝗿𝗲𝗺𝗲𝗻𝘁𝘀 & 𝗗𝗮𝘁𝗮 𝗟𝗼𝗴𝗴𝗶𝗻𝗴: Measures 100–260 V and up to 120 A per phase, with built-in memory to store up to 60 days of detailed energy data
- 𝗟𝗔𝗡 & 𝗪𝗶-𝗙𝗶 𝗢𝗽𝗲𝗿𝗮𝘁𝗲𝗱 + 𝗤𝘂𝗶𝗰𝗸 𝗦𝗲𝘁𝘂𝗽: Full control via LAN and Wi-Fi networks; Bluetooth included for easy device inclusion and setup
- 𝗦𝗺𝗮𝗿𝘁 𝗖𝗼𝗻𝘁𝗿𝗼𝗹 & 𝗦𝗰𝗵𝗲𝗱𝘂𝗹𝗶𝗻𝗴: Use the Shelly Smart Control app or voice assistants like Alexa, Google Home, or SmartThings to set timers, create scenes, and automate your home - 𝗻𝗼 𝗵𝘂𝗯 𝗿𝗲𝗾𝘂𝗶𝗿𝗲𝗱

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B0BVKZ4NGM |
| Are Batteries Included | No |
| Brand | Shelly |
| Colour | White |
| Customer Reviews | 4.7 4.7 out of 5 stars (2,615) |
| Date First Available | 18 Feb. 2023 |
| Guaranteed software updates until | unknown |
| Item Weight | 62 g |
| Item model number | 3800235268100 |
| Lithium Battery Weight | 62 Grams |
| Manufacturer | Shelly Europe |
| Product Dimensions | 6.9 x 1.9 x 9.4 cm; 62 g |
| Wattage | 31200 watts |

## Product Details

- **Connector type:** Clamp
- **Contact material:** Steel
- **Contact type:** Normally Open
- **Current rating:** 120 Amps
- **Mounting type:** Surface Mount

## Images

![Pro 3EM (120A) - WiFi & LAN 3-phase Smart Energy Meter, DIN-rail mountable, Real-time Voltage Amps Monitoring via App, No Hub Required, Solar/Net Metering, Class B Active Energy, PV systems - Image 1](https://m.media-amazon.com/images/I/81vNdeYbeTL.jpg)

## Questions & Answers

**Q: My Shelly Pro 3EM fails to connect. What should I do?**
A: Make sure to you are entering correctly the SSID name and password. Upper/lowercases must be respected. Make sure to allow all permissions for the app, including precise location. For further support, use support.shelly.cloud

**Q: How do I install Shelly Pro 3EM?**
A: All Shelly Pro devices are DIN-mountable inside the breaker box. Check the wiring diagram in our User & Safety guide or see our installation video for further support.

**Q: My Shelly Pro 3EM shows incorrect/inaccurate readings. What should I do?**
A: Wrong measurements are usually due to incorrect wiring. Check that CT transformers are properly positioned, each phase is connected to the correct port, and each CT matches the right phase and device port.

**Q: Does Shelly Pro 3EM require a neutral wire?**
A: Yes, a neutral wire is mandatory.

**Q: Can I use 50A clamp for Shelly Pro 3EM?**
A: No, you can only use Shelly Pro 3EM with 120 A CTs and each transformer is calibrated for the specific device port. We do not recommend using different brands as it can result in wrong measurements.

## Customer Reviews

### ⭐⭐⭐⭐⭐ Reliable and Consumer Unit compatible
*by A***N on 28 December 2025*

Reliable and Consumer Unit compatible. Fitted multiple units and have had perfect reliability and good accuracy for last 6 months.

### ⭐⭐⭐⭐⭐ Perfect with Home Assistant
*by J***M on 8 January 2026*

Love this product and it’s perfectly complimented when added to Home Assistant. I now regularly check out my energy consumption via my HA Dashboard. Had these installed in their own mini consumer unit next to my main one with room to add more in the future.

### ⭐⭐⭐⭐⭐ Fantastic works fab A1 smart meter
*by P***L on 4 January 2026*

A1 works fantastic ,great app to use for control working well with ecoflow stream .

## Frequently Bought Together

- Shelly Pro 3EM (120A) | Wi-Fi & LAN, 3-Phase Smart Energy Meter | 2-Way Consumption | Home Automation | Bluetooth Gateway | Compatible with Alexa & Google Home | No Hub Required | Solar Panels
- Shelly H&T Gen3 White | Wi-Fi & Bluetooth Smart Temperature & Humidity Sensor with Remote App Control | Smart Scenes | LCD Display

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*Product available on Desertcart Romania*
*Store origin: RO*
*Last updated: 2026-01-24*