... /70,HDIS-110/100 These insulators belongs to the Series 1: Suspension Insulator: 12~220kVMain Technical ParametersTypeRated voltage( ... ball, clevis, tongue, Y clevis, eye) Series 2: ANSI class DS series: 15kV, 25kV, 28kV, 35kV Series 3: Pin type insulator: 15kV, 24kV, ... 33kV Series 4: Station Post Insulator: 15kV, 36kV, 69kV, 132kV Series 5: Line Post Insulator: 33kV, 69kV, ...