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De-energized tap-changer type KdV

We offer low voltage rotary type de-energized tap-changers type KdV for liquid-filled distribution transformers, which combine electrical and mechanical reliability with the versatility of application and ease of connection to transformer tapping leads.

Our KdV tap-changers are provided in single, three, or six-switchboard versions.


Product scope
  • Liquid-filled distribution transformers
  • Range: Um ≤ 24 kV, Ir ≤ 300 A
  • Compliant with IEC standards


Why Hitachi Energy
  • High-class material assures the longest lifetime
  • Proven solutions with decades of successful field experience.
  • Type tested beyond international standards
  • High reliability by using few parts and low complexity in design
  • Little to no maintenance
  • Space-saving designs

Contact us

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