... .5,1.8,2.0kV Protection level: C,D voltage surge protectorFunction( surge protector Voltage ):EBS1U surge protector protect electric and electronics equipment against transients, originating from ... such as TT, TNS, TNCS.Technical Data( surge protector Voltage ):Model: EBS1U surge protectorStandard: 61643-1Max. continuous working voltage: 140, 275, 320, 385, 400, 420 ...