Shelly Pro 3EM-400A energy cost meter

Shelly Pro 3EM-400A. Power source type: AC, Maximum current: 400 A, Frequency range: 50 - 60 Hz. Width: 19 mm, Depth: 69 mm, Height: 94 mm

Shelly Pro 3EM-400 is a DIN rail mountable three-phase energy meter. Enhanced with all the gen2 firmware flexibility and LAN connectivity, it provides professional integrators with additional options for end-customer solutions. Shelly Pro 3EM-400 reports accumulated energy as well as instantaneous voltage, current, and power factor per phase in real-time.

Next-generation 3-Phase Energy Meter
Shelly Pro 3EM-400 is a Wi-Fi-operated DIN-mountable 3-Phase Energy Meter with Wi-Fi, Bluetooth, and LAN connectivity. With active energy measurement accuracy of 1%, Shelly Pro 3EM-400 can be used to monitor the consumption of home appliances, business electric circuits, and office equipment individually. It features 60 days of on-device historical data with a 1-minute resolution for each phase. Additionally, its scripting functionalities allow for the execution of complex scenes and provide broader monitoring abilities.

Technical details

Material: Plastic
Accuracy: 1%
Feature: Ethernet LAN
Feature: Wi-Fi
Top Wi-Fi standard: Wi-Fi 4 (802.11n)
Wi-Fi range: 50 m
Feature: Bluetooth
Bluetooth version: 4.2
Feature: Wall mountable
Feature: DIN rail mounting
Cable section: 0.5 - 2.5 mm²
Maximum tightening torque: 0.4 N m
Stripped wire length: 6 - 7 mm
Feature: Temperature sensor
Ammeter accuracy: 1 - 2
Flash memory: 16 MB
Microcontroller model: ESP32-D0WDQ6
Feature: Webhooks (URL actions)

Power

Power source type: AC
Maximum current: 400 A
Frequency range: 50 - 60 Hz
Maximum power: 3 W
Voltmeter (RMS for each phase): 100 - 260 V

Weight & dimensions

Width: 19 mm
Depth: 69 mm
Height: 94 mm
Weight: 62 g

Operational conditions

Operating temperature (T-T): -20 - 40 °C
Operating relative humidity (H-H): 30 - 70%
Maximum operating altitude: 2000 m