Description
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 |
