33 telephone line surge protection products are offered for sale by suppliers on Alibaba.com, of which surge protection devices accounts for 33%, other electrical equipment accounts for 21%, and lightning protection & earthing accounts for 6%.
A wide variety of telephone line surge protection options are available to you, You can also choose from 40, 20 and 5 telephone line surge protection,as well as from 40ka, 20ka, and 10ka telephone line surge protection, and whether telephone line surge protection is 2p, 3p, or 1.