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History - 1930

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

Aluminum Surge Arrester

Aluminum Surge Arrester image

  • First valve type surge arrester manufactured in Japan
  • For 80kV system
  • Touho Electric Power
  • 1911

Oxide Film Surge Arrester

Station class Up to 170kV image

  • For 170kV system
  • Nihon Power Electric, Keihoku S/S

Distribution class 3/6 kV image

The oldest distribution class S.A. in Japan. (1923 - 1946)