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History 1970 - 1975

TOSHIBA has continued to develop the highest peak surge arresters with employing the most forward-looking technologies.

RVLGA Type Surge Arrester image, RVLH Type Surge Arrester image

Current limiting gap type 500kV surge arrester
(Developed in 1970).
First 250kV DC transmission system in Japan was constructed.
Our First Surge Arrester for the AC-DC Converter System.