Range metal oxide surge arrester: 1. Lightning arrester: 0. 22~36kV A.C system metal oxide surge arrester (silicone rubber housing, 2. 3~36kV with disconnector and bracket) 2. 0. 22~36KV zinc oxide surge arrester with porcelain housing, it is suitable for protection electrical system and electric railway against over-voltage 3. 35~22kV polymer housing zinc oxide surge arrester with metal base 4. 33~110kV zinc oxide surge arrester with porcelain housing If you are interested in our products, please do not hesitate to contact us. Packing: Carton