Surge Arrester

Surge arrester is also called overvoltage protector and overvoltage limiter. It is connected in parallel to the front end of the protected equipment to protect other electrical equipment from lightning overvoltage, operating overvoltage and power frequency transient overvoltage impact.

Surge arrester in AC distribution system, it is also called a distribution arrester, which is mainly used to protect distribution transformers, cables and power station equipment.

Surge arresters are installed on circuit breakers inside a residential home, inside pad mounted transformers, on pole mounted transformers, on pole-mounted riser poles and substations.