Surge arresters are an essential component for increasing the reliability of the electricity network as they serve as the primary protection against atmospheric and switching overvoltages. Hitachi Energy has more than 75 years of experience in designing and manufacturing surge arresters. The business provides a complete range of products for low, medium and high voltage applications, comprising of solutions for AC and DC systems up to 1,100 kV.
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.
The digitization of primary devices of any rated voltage being connected to any grid has several aspects and is driving essential customer value.