Motor protection

The relay type NM10 can be used for protection of medium size motors in MV and LV systems powered through lines of: any length in solidly or low resistance grounded systems small length in ungrounded or Petersen coil and/or high resistance grounded systems


Standard Protective & control elements
  • Under Current
  • Negative sequence overcurrent Motor/Generator
  • Thermal Image Motor/Generator
  • Phase overcurrent side H and side L
  • Maximum Residual Overcurrent
  • Locked Rotor
  • Maximum number of startings (Restart inhibition)
  • Breaker Failure
  • CT Supervision
  • Trip Circuit Supervision
SW Pack optional configuration
  • Thermal with Pt100 Probes