875 single phase spd products are offered for sale by suppliers on Alibaba.com, of which surge protection devices accounts for 47%, other electrical equipment accounts for 6%, and lightning protection & earthing accounts for 1%.
A wide variety of single phase spd options are available to you, such as industrial, lightning protection and solar system.You can also choose from 20, 40 and 5 single phase spd,as well as from 40ka, 20ka, and 10ka single phase spd, and whether single phase spd is 2p, 1, or 3p.