Surge Protective Device,SPD *Poles:1P, 2P, 3P, 4P, 1P+N, 2P+N, 3P+ ... *Nominal discharge current (8/20us) (In):5kA,10kA Surge Protective Device,SPDSurge Protector circuit breaker( protective SPDPlace of Origin: ChinaSpecifications: 1) Protection ... ): 10kA, 20kA6) Voltage protection level (Up): ≤0.8kV - ≤1.8kV SPD