NP803

Overcurrent Relay (IDT)

FEATURES

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

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