A surge arrester is a device that in case of an overvoltage, e.g. due to a lightning stroke or switching maneuvers, diverts this excessive energy safely and in such a way, that the overvoltage does not cause damage to other components.

Extremely safe and maintenance-free thans to direct vulcanized pomymer houseing. Available for the higheste energy claasses for optimal security an durability of: air lines, cable sleeves, cable terminations, transformers, generators, compensation coils, filter coils, lang cables etc.