Maximum current of endure the lightning stroke 20kA (8/20aas). Time of response <25ns. Can be replaced ... for the module. Product DescriptionNS1-(D, C, B) 5 series surge protection device (in short: SPD, alias ... .Application Scope and Installation PositionNS1-(D, C, B)5 surge protective device is applicable for D,C ... detail. For example: 5NS1-40/4-385, 8 pieces.Model and Meaning NS1-(D, C ...