Shelly EM
Downloads
Manuals
User and Safety Guide
Ръководство за употреба и безопасност
Compliance
Shelly EM multilingual EU declaration of conformity 2025-07-23.pdf
Shelly EM + 50A UK PSTI ACT Statement of compliance.pdf
Shelly EM AU NZ Certificate for Suitability.pdf
Compliance Archive
Shelly EM multilingual EU declaration of conformity 17 2020-10-30.pdf
What is Shelly EM?
365-Day Built-In Energy History
Shelly EM enables you to monitor the real-time status and historical data of electrical power consumption—daily, weekly, monthly, or yearly—providing full visibility into your energy usage.
Features
- No HUB required.
- Internal temperature sensor for overheating protection.
- Automatically shuts off the entire circuit when power consumption or prepaid energy limit is reached.
- Designed to fit in most standard electrical boxes and switches.
- Fully compatible with all other Shelly devices.
- Supports Android, iOS, Amazon Alexa, Google Assistant, and home automation platforms via MQTT, CoAP, and REST API.
- Easily integrate with Arduino projects for smart automation.
Specification
POWER
- Power supply (AC): 110–240 V, 50/60 Hz
- Power supply (DC): Not supported
SPECIAL FUNCTIONS
- Contactor control: Yes (max 2 A)
- Roller shutter mode: No
- Device temperature protection: Yes
- Overload protection: No
- Power measurement: Yes
FEATURES
- Channels: 2 Channel (Single phase)
- Operating temperature: -20 °C to 40 °C
- Device power consumption: < 1 W
- Intelligent On/Off: Yes
- Local and remote control: Yes
- Sunrise/Sunset scheduling: Yes
- Weekly schedule: Yes
- UL Listed option: No
CONNECTIVITY
- RF band: 2401–2483 MHz
- Max RF power: < 20 dBm
- Wi-Fi protocol: 802.11 b/g/n
- Wi-Fi range: Up to 30 m / 100 ft indoors, up to 50 m / 160 ft outdoors
(Depends on local conditions)
DIMENSIONS
- Size: 39 mm × 36 mm × 17 mm
Wiring Diagrams
Use Cases
Detailed Insights into Electricity Consumption
With Shelly EM, monitor key electrical network parameters such as active power, reactive power, voltage, and power factor. Keep track of your home or facility’s energy usage to prevent unexpected surges, avoid additional costs, and protect sensitive appliances and equipment from damage.
Projects
Shelly Power Consumption Alarm Signal
Stay informed and continuously monitor your power usage with Shelly EM to prevent your electricity meter from tripping due to overconsumption.
Shelly EM Auto Toggle Based on Solar Panel Production
Automate your system to turn on/off based on solar panel output using Shelly EM.
Reviews
The Hook Up
Which Smart Energy Monitor Is Right For You? Shelly EM vs Sense
BeardedTinker
Home Assistant How To – Shelly EM – Fuse-Box Energy Meter