72 signal line spd products are offered for sale by suppliers on Alibaba.com, of which surge protection devices accounts for 81%, other electrical equipment accounts for 9%, and lightning protection & earthing accounts for 5%.
A wide variety of signal line spd options are available to you, such as industrial, lightning protection and electronic equipment.You can also choose from 40, 20 and 40000 signal line spd,as well as from 40ka, 20ka, and 10ka signal line spd,and whether signal line spd is 1, or 4p.