Mikro Definite Time Earth Fault Relay 

Model : NX201A-240A

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Features:

• Microprocessor based numerical relay

• Current measurement based on fundamental frequency

• Low-set definite time relay

• High-set instantaneous relay

• Separate low-set and high-set indicators

• Option to disable the high-set element

• Front panel access to the test function

• Complies with IEC 60255 standard

• ANSI Code : 50N, 51N