De-energized tap-changer type KD

Hitachi Energy offers a wide range of low voltage linear type de-energized tap-changers 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 KD-type tap-changers are provided in single or three-phase.

• High class material assure 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

• Liquid-filled distribution transformers
• Range: Um ≤ 72 kV, Ir ≤ 1800 A
• Compliant with IEC standards