... -24,HDPIN-33 These insulators belongs to the Series 3: Pin type insulator:15kV,24kV,33KVMain Technical ParametersSpecificationHDPIN-15HDPIN-24HDPIN-33Rated ... : ANSI class DS series:15kV,25kV,28kV,35kV Series 3: Pin type insulator:15kV,24kV,33kV Series 4: Station Post Insulator ... Series 5:Line Post Insulator:33kV,69kV,115kV,138kV Your special request and question are highly appreciated