NLM3 Neutral Link Monitor

Leaders in Innovative Protection Systems, Inelco International’s NLM3 is compliant with the latest statutory and industry standards. The Inelco International Neutral Link Monitor relay (NLM3) is a NER integrity protection device designed to continuously monitor the current limitation system on the secondary star point to earth connection of a supply transformer. The unit can also be utilized to monitor a direct connection to earth from the star point. The NLM3 monitors the NER Resistance integrity, excess phase voltage rise, neutral earth leakage current, with the ability to adjust trip times for protection coordination.

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NLM3-Neutral-Link-Monitor-rev3-2019.pdf