Siemens Energy has been designing and manufacturing medium- and high-voltage surge arresters for standard and special applications since 1925. Continuous research and development, the wealth of Siemens Energy know-how and comprehensive worldwide experience give Siemens Energy surge arresters a leading edge in overvoltage protection. Their uncompromising quality ensures a long service life and reliability in any application. Valuable equipment, such as transformers, circuit breakers, generators, motors, capacitors, traction vehicles, bushings and complete switchgear, is ideally protected against overvoltages.