Voltage input
| Input type | 3-phase 3-wire (3P3W) and 3-phase 4-wire (3P4W) |
|---|---|
| Voltage channels | L1, L2, L3, Ln-1, L4, L5, L6, Ln-2 |
| Voltage range | Up to 400 V (L-N) / 690 V (L-L) |
| Sampling | 8 kHz waveform-based measurement, 24-bit |
| Accuracy | ±0.2% |
Current input
| Input type | External CT |
|---|---|
| Current channels | L1, L2, L3, L4 (leakage), L5, L6, L7, L8 (leakage) |
| Measurement range | Approx. 5 mA to 3,000 A, depending on CT |
| Supported CTs | 5 A CT, mV-output CT, Rogowski coil and more |
| Accuracy | ±0.5% |
Communication and interfaces
| RS-485 | 2 ports (1 master, 1 slave), Modbus RTU |
|---|---|
| Ethernet | Built-in 2-port switch, 10/100/1000 Mbps, RSTP |
| Protocols | Modbus TCP, Modbus RTU |
| USB-C | Console access, firmware updates, Wi-Fi / LoRa module expansion |
Power supply
| Input power | DC 24 V |
|---|---|
| Consumption | Less than 5 W typical |
| Protection | Built-in protection against overvoltage, overcurrent and other supply abnormalities |
Environment and installation
| Operating temperature | Available on request |
|---|---|
| Mounting | Inside power or control panel |
| Certifications | See Patents and certifications in Downloads |