Spd For Class I

1382 spd for class i products are offered for sale by suppliers on Alibaba.com, of which surge protection devices accounts for 79%, other electrical equipment accounts for 10%, and lightning protection & earthing accounts for 1%. A wide variety of spd for class i options are available to you, such as industrial, lightning protection and solar system.You can also choose from 20, 40 and 10 spd for class i,as well as from 40ka, 20ka, and 10ka spd for class i, and whether spd for class i is 2p, 1, or 3p.