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Thytronic

NM10

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


FUNCTIONS


STANDARD PROTECTIVE & CONTROL ELEMENTS

  • Under Current - 37
  • Thermal Image Motor/Generator - 49MG
  • Phase overcurrent side H and side L - 50/51
  • Maximum Residual Overcurrent - 50N/51N(1)
  • Locked Rotor - 51LR(48)/14
  • Maximum number of startings (Restart inhibition) - 66
  • Breaker Failure - BF
  • CT Supervision - 74CT
  • Trip Circuit Supervision - 74TCS
  • Sequence of event Recorder (SER)
  • Sequence of Fault Recorder (SFR)

SW PACK OPTIONAL CONFIGURATION

  • Digital Fault Recorder (DFR)
HW PACK OPTIONAL CONFIGURATION
  • Thermal with Pt100 Probes - 26

COMMUNICATION FUNCTIONS

  • Modbus TCP-IP
  • One USB Type B local port for communication with ThyVisor setup software
  • Modbus protocol RTU RS485 / IEC 870-5-103 / DNP3

DOWNLOADS

NM10 Manual