Monga katswiri wopanga zida za AC & DC (SPD) ku China, timayesetsa nthawi zonse kupereka zinthu zabwino kwambiri zomwe makasitomala athu amayembekezera LSP. Mwina mukufunikira zida zoteteza ma AC & DC (SPDs) kuti muteteze zida zanu motsutsana ndi mphezi komanso mafunde apano.
Sitifiketi ya TUV CE CB EAC ya AC Surge Protective Device SPD Type 1 + 2, T1 + T2, Class B + C, Iimp 25kA