Maintenance and inspection of overvoltage limiters | ACER VOLTAGE

Maintenance and inspection of overvoltage limiters

Complexly recommendations for maintenance and inspection of overvoltage limiters ZnO are specified in EN 62305-4, where such control is divided into visual inspection.alternatively complete revision include important electrical measurements. Especially this control is recommended to make:
  • After any changes in protective elements belonging to the system installation
  • Periodically, at least 1 year
  • After direct strike to the protected instalation