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

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