voltage surge protector Rated release current: 5,10,15,20KA Voltage Protection level: 1.0,1.5,1.8,2.0kV ... Protection level: C,D voltage surge protectorFunction( surge protector Voltage ):EBS1U surge protector protect electric and electronics ... such as TT, TNS, TNCS.Technical Data( surge protector Voltage ):Model: EBS1U surge protectorStandard: 61643-1Max. continuous working voltage: 140, ...