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History 1978

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

RVLK Type Surge Arrester

RVLK Type Surge Arrester image

  • Our First Gap-less Surge Arrester with ZnO element.
  • The Zn-Bi-Mg-O Type ZnO Element was developed and applied.