Surge Arresters

Hitachi Energy's surge arresters are the primary protection against atmospheric and switching overvoltages. Hitachi Energy offers a complete range of surge arresters for high and medium voltage applications. The range comprises of AC and DC solutions up to 1,100kV and arresters for special applications like railways, DC-voltage limiting devices and many other purposes. The designs comply with the IEC 60099-4 and ANSI/IEEEC62.11.

• Protection of AIS and GIS substation equipment
• Protection of AC and DC traction systems
• HVDC protection
• Protection of series capacitor banks
• Protection of cables
• Protection of transmission lines
• Installation in polluted areas and areas with high seismic activities

• Our surge arresters are designed to be safe and survive high stresses with ease
• Strong focus on quality at all stages, from raw material through to finished product
• Custom solutions for protection levels, energy capability and different dimensions can also be developed