... Export standard carton MOQ:5pcs Solid-core station post insulator may be manufactured according to IEC, ANSI, ... types for this series, normal type and anti-pollution type. Station Post Insulators including:Solid-Core Station Post Insulators to meet ANSI C29.9: ... 304, TR-312, TR-362, TR-369, TR391Station Post Insulators to meet IEC 273:C4-125, C4-150, C4 ... , C10-2550. 400 KV Solid core post insulators