... 115,HDILP-138 These products are belongs to Series 5:Line Post Insulator:33kV,69kV,115kV,138kV Main Technical ParametersTypeRated voltage ... composite insulator:Series 1: Suspension Insulator: 12~220kV (available end fitting: socket, ball, clevis, tongue, Y clevis, eye) Series 2: ... 4: Station Post Insulator:15kV,36kV,69kV,132kV Series 5:Line Post Insulator:33kV,69kV,115kV,138kV Your special request or ...