NP802

Earth Fault Relay (IDMT)

FEATURES

• Microprocessor based numerical relay
• Current measurement based on fundamental frequency
• Low-set inverse definite minimum time (IDMT) relay
• High-set instantaneous relay
• Separate low-set and high-set trip indicators
• Option to disable high-set element
• Front panel access to test function
• Complies with IEC 60255 standard
• Programmable relay output contact

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