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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
Negative sequence overcurrent - 46
Thermal Image Motor/Generator - 49MG
Phase overcurrent side H and side L - 50/51
Maximum Residual Overcurrent - 50N/51N
Locked Rotor - PMSS - F51Rn
Maximum number of startings (Restart inhibition) - 66
Breaker Failure - BF
CT Supervision - 74CT
Trip Circuit Supervision - 74TCS
SW PACK OPTIONAL CONFIGURATION
Thermal with Pt100 Probes - 26
HW PACK OPTIONAL CONFIGURATION
DOWNLOADS
NM10 Manual