Microprocessor based numerical relay
Current measurement based on fundamental frequency
Three-phase, low-set overcurrent
Three-phase, high-set overcurrent
Low-set earth-fault
High-set earth-fault
Definite time for low-set and high-set
Five selectable IDMT characteristic curves
Local display of measured and set values
Programmable relay outputs
Non-volatile fault values recording
Complies with IEC 60255 standard