This standard specifies the code name and structural requirements, working conditions, technical requirements, test methods, inspection rules, acceptance rules, packaging and marking of split-phase insulators. This standard applies to phase insulators at out-of-phase electrical sections of 25kV power frequency single-phase AC electrified railway contact network.
TB/T 3037-2002 history
2002TB/T 3037-2002 Split-phase insulator for 25kV electrified railway catenary