Manufacturer Model AC Power Supply Voltage Power Consumption Internal Temperature Sensor Voltemeters (RMS for Each Phase) Voltemeter Accuracy Amperemeters (RMS via CT for Each Phase and Neutral) Compatible Current Transformer (CT) Ratings Amperemeter Accuracy Power and Energy Meters Channel-to-Channel Calibration at Minimum Load No-Load Threshold Measurement Data Storage Data Export Wi-Fi Protocol Wi-Fi Range Bluetooth Protocol Bluetooth Range CPU Flash Memory Ambient Temperature Humidity Maximum Altitude Dimensions Weight Mounting Housing Material

2-Channel Shelly PRO 3EM 400A WiFi Electrical Energy Consumption Meter Shelly Pro 3EM 400A is a professional, three-phase electrical energy consumption meter that can be installed on a DIN rail. The device reports accumulated energy with 1% accuracy and real-time voltage, current, and power for each phase. It stores data for the last 60 days with a one-minute resolution for each phase, enabling precise analysis. Furthermore, it offers advanced scripting capabilities and extended monitoring options.

Shelly

SPEM-003CEBEU400

110 - 240 V, 50/60 Hz

< 3 W

Yes

100 - 260 V

±1%

0 - 400 A

CT-400A

±1% (5 - 400 A), ±2% (0 - 5 A)

Active and apparent power, active and apparent energy, power factor, basic active energy, and basic reactive energy

5000 W per channel

30 VA per channel

At least 60 days with 1-minute data resolution

CSV format for stored PQ values, JSON export via RPC

802.11 b/g/n

Up to 30 m indoors and 50 m outdoors

4.2

Up to 10 m indoors and 30 m outdoors

ESP32-D0WDQ6

16 MB

-20°C to +40°C

30% to 70% RH

2000 m

94 x 19 x 69 ±0.5 mm

62 ±1 g

DIN rail

Plastic

Izmērs 7 x 1.9 x 9.4