... arresters ,drop-out fuse ,composite insulator,disconnector switch ect. Specifications:We can design.process and ... to the users’ requirements.Main technique parameters:Type:YH5W-21L, YH5W-24L, YH5W-27L, YH5W ... 24kV, 27kV,30kV ,33kV,36kV,42kV,2)The constant operation voltage (virtual value):17.0kV,19.2kV,21.9kV ... 81kV,90kVc) Under operation surge current: 53.9kV, 61.6kV, 69.3kV, 76.5kV4)2000µs square ...