347 arrester 20kv products are offered for sale by suppliers on Alibaba.com, of which lightning protection & earthing accounts for 59%, surge protection devices accounts for 15%, and other electrical equipment accounts for 6%.
A wide variety of arrester 20kv options are available to you, such as stainless steel, metal and zinc oxide.You can also choose from industrial, protection and high voltage arrester 20kv,as well as from black, red, and gray arrester 20kv,and whether arrester 20kv is 1 year, or 5 years.