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