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SHELLYPRO3EMS Reset & Teardown (FCC ID 2BDC6-SHELLYPRO3EMS)

Factory reset and internal photos for Shelly Group SHELLYPRO3EMS. Shelly smart plug.

January 15, 2026 1 min read

SHELLYPRO3EMS internal photo

Before you buy the Shelly Group SHELLYPRO3EMS, check what's inside.

The Shelly Pro 3EM-400 is a three-phase energy meter designed for professional installations in homes, offices, and industrial settings. It offers remote monitoring and control via WiFi and LAN, with DIN rail mounting for easy integration into electrical panels.

⚠️ NOTE: Always disconnect mains power before installation and follow all safety guidelines in the user manual.

Quick Specs

  • Manufacturer: Shelly Group
  • Model: SHELLYPRO3EMS
  • Protocol: WiFi
  • Chipset: ESP32
  • Ecosystem: Shelly
  • App: Shelly App

🔧 Geek Corner (Flashing Info)

  • Chipset: ESP32
  • Flashable: ❌ No
  • Info: Shelly devices often have locked bootloaders or proprietary firmware that prevents easy flashing of third-party firmware like Tasmota or ESPHome.

Reset Guide

Factory reset specification • dimensions (hxwxd): 94x19x69 mm / 3.

User Manual

Scanned pages from the official user manual:

SHELLYPRO3EMS Manual

External Photos

Photos of the device exterior:

SHELLYPRO3EMS Exterior

SHELLYPRO3EMS Exterior

SHELLYPRO3EMS Exterior

SHELLYPRO3EMS Exterior

Internal Photos

Teardown photos showing the PCB and components:

SHELLYPRO3EMS PCB

SHELLYPRO3EMS PCB

SHELLYPRO3EMS PCB

SHELLYPRO3EMS PCB

SHELLYPRO3EMS PCB

SHELLYPRO3EMS PCB

Verdict

The SHELLYPRO3EMS is a WiFi device from the Shelly ecosystem.

📄 Click to view full text manual (SEO)
EN
USER AND SAFETY GUIDE
SHELL Y PRO 3EM-400
THREE-PHASE ENERGY METER
Read before use
This document contains important technical and safety informa -
tion about the device, its safety use and installation. 
⚠ CAUTION! Before beginning the installation, please read careful-
ly and entirely this guide and any other documents accompanying 
the device. Failure to follow the installation procedures could lead to 
malfunction, danger to your health and life, violation of law or refusal 
of legal and/or commercial guarantee (if any). Shelly Europe Ltd. is 
not responsible for any loss or damage in case of incorrect installa-
tion or improper operation of this device due to failure of following 
the user and safety instructions in this guide.
Product Introduction 
Shelly® is a line of innovative microprocessor-managed devices, 
which allow remote control of electric circuits through a mobile 
phone, tablet, PC, or home automation system. Shelly® devices can 
work standalone in a local Wi-Fi network or they can also be operated 
through cloud home automation services. Shelly Cloud is a service 
that can be accessed using either an Android or iOS mobile appli -
cation or with any internet browser at https:/ /control.shelly.cloud/. 
Shelly® devices can be accessed, controlled, and monitored re -
motely from any place where the user has internet connectivity, as 
long as the devices are connected to a Wi-Fi router and the Internet. 
Shelly® devices have an Embedded Web Interface accessible at 
http:/ /192.168.33.1 when connected directly to the device access 
point, or at the device IP address on the local Wi-Fi network. The 
embedded Web Interface can be used to monitor and control the 
device, as well as adjust its settings.
Shelly® devices can communicate directly with other Wi-Fi devices 
through HTTP protocol. An API is provided by Shelly Europe Ltd. 
For more information, please visit: 
https:/ /shelly-api-docs.shelly.cloud/#shelly-family-overview.
Shelly® devices are delivered with factory-installed firmware. If 
firmware updates are necessary to keep the devices in conformity, 
including security updates, Shelly Europe Ltd. will provide the up -
dates free of charge through the device Embedded Web Interface 
or the Shelly mobile application, where the information about the 
current firmware version is available. The choice to install or not 
the device firmware updates is the user’s sole responsibility. Shelly 
Europe Ltd. shall not be liable for any lack of conformity of the de -
vice caused by failure of the user to install the provided updates 
in a timely manner.
Shelly® Pro Series
Shelly® Pro series is a line of devices suitable for homes, offices, 
retail stores, manufacturing facilities, and other buildings. Shelly® 
Pro devices are DIN mountable inside the breaker box, and highly 
suitable for new building construction. All Shelly® Pro devices can 
be controlled and monitored through Wi-Fi and LAN connections. 
Bluetooth connection can be use...