DIRECTIONAL EARTH FAULT PROTECTION RELAY BLOCK MICOM P125

Application:-
1. Phase and earth overcurrent protection applicable in MV and HV stations and to protect  LV and MV transformers

Protections:-
1. Earth fault, 3-stage, DT or IDMT
2. Earth fault, 2-stage (for Petersen coil earthed system)
3. Residual overvoltage

Measurements
1. Earth current
2. Residual voltage

Functions:-
1. Circuit breaker control
2. Protection blocking logic
3. Auxiliary output latching
4. Programmable digital inputs, output relays and LEDs, 4 inputs, 6 outputs
5. Communication standards: RS232, RS485
6. Transmission protocols: Modbus, Courier, IEC60870-5-103, DNP 3.0