... 3)The Most Comparative Price 4)Different type for Selection... L-N SPD,Surge Protective DevicePlace of Origin: ChinaSpecifications: 1) Protection class ... D 2) Composite type: 1P, 2P, 3P, 4P, 1P+N, 2P+N, 3P+N, 3P+NPE 3) Max. Continuous operating voltage (Uc): 255V ...