Multiple I/O configurations (from 4 CT + 8 BI + 6 BO up to 4 CT + 4 VT + 39 BI + 20 BO)
Standard IEC 61850, DNP 3.0, MODBUS-RTU, IEC 60870-5-103 protocols
Withdrawable design, 6U or 12U housing
128×128 LCD graphical display with mimic diagrams
Protection Functions: 50/51 Overcurrent, 50N/51N Earth Fault, 46 Negative Sequence, 49 Thermal Overload, 50BF Breaker Failure, 81 Frequency, 87GH/NL REF, 67 Directional OC and EF, 25 Synchrocheck, 21 Fault Locator, etc.
Monitoring of currents, voltages, power, energy, frequency and event/waveform recording
USB front port, RS485, RJ45 or Optical Ethernet rear ports
Applications: Feeder, Backup Protection, Transformer, Generator and Busbar Protection
Measurement types: 1-phase, 2-phase, 3-phase
Sampling rate: 135K samples/cycle
Accuracy: ±0.5% (IEC 62053-22)
Voltage input: Up to 480 VLL (Cat III), direct delta/wye connection
Current input: Adjustable, 5 A standard
Power supply: 100–250 V AC/DC (optional 24–60 V DC)
Display: Backlit graphic LCD, 128×96 pixels
Dimensions: 96×96×58 mm
Protection degree: IP65 front / IP20 rear
Operating temperature: –25°C to +55°C
Communication: Modbus RTU
Optional: 2DI/DO, RS485
Order numbers:
7KM31200BA011DA0 (AC/DC model)
7KM31201BA011EA0 (20–60 VDC model)
