2-phase Energy Meter Shelly PRO 3EM 400A Wi-Fi

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. Manufacturer Shelly Model SPEM-003CEBEU400 AC Power Supply Voltage 110 – 240 V, 50/60 Hz Power Consumption < 3 W Internal Temperature Sensor Yes Voltemeters (RMS for Each Phase) 100 – 260 V Voltemeter Accuracy ±1% Amperemeters (RMS via CT for Each Phase and Neutral) 0 – 400 A Compatible Current Transformer (CT) Ratings CT-400A Amperemeter Accuracy ±1% (5 – 400 A), ±2% (0 – 5 A) Power and Energy Meters Active and apparent power, active and apparent energy, power factor, basic active energy, and basic reactive energy Channel-to-Channel Calibration at Minimum Load 5000 W per channel No-Load Threshold 30 VA per channel Measurement Data Storage At least 60 days with 1-minute data resolution Data Export CSV format for stored PQ values, JSON export via RPC Wi-Fi Protocol 802.11 b/g/n Wi-Fi Range Up to 30 m indoors and 50 m outdoors Bluetooth Protocol 4.2 Bluetooth Range Up to 10 m indoors and 30 m outdoors CPU ESP32-D0WDQ6 Flash Memory 16 MB Ambient Temperature -20°C to +40°C Humidity 30% to 70% RH Maximum Altitude 2000 m Dimensions 94 x 19 x 69 ±0.5 mm Weight 62 ±1 g Mounting DIN rail Housing Material Plastic