... specialized in producing metal-oxide surge arresters ,drop-out fuse ,composite insulator,disconnector switch ect. Specifications:We can ... steep-wave surge current:66.5kV,76.0kV, 85.5kV,95.0kV,104.5kV,114.0kV,132.3kVb)Under ... current: 53.9kV,61.6kV, 69.3kV,76.5kV, 84.7kV,92.4kV, 100.1kV4)2000µs ... a) Under steep-wave surge current: 66.5kV,76.0kV , 85.5kV,95.0kVb) Under thunder lighting surge current: ...