MELTAC Nplus S is safe to use in the US NPP

03 December 2018

Mitsubishi Electric Corporation announced that it has obtained acceptance from the U.S. Nuclear Regulatory Commission (NRC) for the use of the company's digital safety system controller MELTAC Nplus S in U.S. nuclear power plants. Mitsubishi Electric accordingly will promote the MELTAC Nplus S controller as a solution for ageing and obsolete analogue or digital controllers in the U.S. Market.

MELTAC is a control and monitoring system supporting the safe operation of nuclear power plants. Acclaimed for its reliability and quality, MELTAC is deployed in 38 nuclear power plants, primarily in Japan and China. MELTAC Nplus S was developed under Mitsubishi Electric's quality assurance program that is fully compliant with 10 CFR 50 Appendix B criteria, a regulation governing U.S. nuclear power plant safety systems.

The NRC's recent acceptance of MELTAC Nplus S for use in U.S. nuclear power plants will allow Mitsubishi Electric to provide its high-quality product and related design and testing services to U.S. nuclear power plant customers needing to upgrade analogue and digital safety systems used over the years. It will also allow the company to respond to demand these services from newer plants in the U.S.

Mitsubishi Electric additionally plans to deploy the MELTAC solution in the small modular SMR-160 reactor being jointly developed by Mitsubishi Electric and Holtec International, a leading energy technology company.

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