... -core station post insulator may be manufactured according to IEC, ANSI, BS and other standards, with cantilever ... strength from 4kN to 18kN, which is used on 15kV to 750kV station and substation. ... Station Post Insulators including:Solid-Core Station Post Insulators to meet ANSI C29.9: TR-202, TR- ... 312, TR-362, TR-369, TR391Station Post Insulators to meet IEC 273:C4-125, C4-150, C4-170, ...