| Auxiliary Power Supply |
110–250 V DC / 120–230 V AC (working range 88–300 V DC / 96–250 V AC) |
| Power Consumption |
30 W DC / 30 VA AC, 50/60 Hz |
| Display |
Full-color graphical LCD (320 x 240 pixels) with backlight and 8 programmable LEDs |
| Communication Interfaces |
- Rear serial port 1: Redundant RS-485 - Rear Ethernet port 2: 10/100 Base-TX - Protocols: Modbus RTU/TCP/IP, DNP 3.0 Level 2, IEC 60870-5-103, IEC 60870-5-104, IEC 61850 (Edition 2) |
| Digital I/O |
- Slot F: 16 binary inputs, 10 binary outputs (configurable) - Slot G: 16 binary inputs, 8 binary outputs |
| Protection Functions |
Overcurrent (50/51), ground fault (50N/51N), directional overcurrent (67), voltage (27/59), thermal overload (49), breaker failure (50BF), under/over frequency (81), recloser (79), synchrocheck (25), negative sequence overcurrent (46), cold load pickup, load encroachment, broken conductor |
| Measurement Capabilities |
Current, voltage, power, energy, frequency, power factor; three-phase, residual, neutral, and sequence components; harmonic analysis (up to 25th) |
| Metering Accuracy |
ANSI C12.20 Class 0.5 (energy), ±0.2% (power), ±0.1% (current/voltage) |
| Event Recording |
479 events with 1 ms resolution; oscillography up to 32 samples/cycle, 10 records (configurable length) |
| Operating Temperature Range |
-40°C to +85°C |
| Humidity |
5% to 95% non-condensing |
| Dimensions |
19" rack mount (4U height): 177 mm x 177 mm x 144 mm (H x W x D) |
| Weight |
4.95 kg |
| Mounting |
19" rack or panel mount |
| Protection Rating |
IP54 (front panel), IP20 (rear) |
| Standards Compliance |
IEC 60255, ANSI/IEEE C37.2, IEC 61850, CE, UL, CSA, KEMA Type Tested |