1. 5000Hours Aging Test and Type tested; 2. Excellent electrical properties 3. Competitve Price and Quality. These line post insulator maximum design tension for clamptop is 11KN.Composite Line Post Insulators Technical Data:Catalog TypeRated Voltage (kV)SCL IBS. (kN)Setion Length (mm)Strike Distance (mm)Creepage distance (mm)Lighting impulse withstand BIL (kV)Power frequency withstand wet (kV) ...