iec 61643 spd lsp-international.com surge protection device spd manufacturer & supplier ac and dc type 1, t1, class b, type 1+2, t1+t2, class b+c, type 2, t2, class c, type 2+3 Category:computers electronics and technology Global Rank:1,100,129 visits:38.5K pages/Per:2.0 ADS