This standard is applicable to busbars with rated operating voltage AC to 1000V (1140V), frequency 50Hz or 60Hz, and rated current up to 5000A. The special requirements for various types of busway products should be supplemented in the corresponding product standards. This standard specifies the definition, model, classification, technical requirements, test methods, inspection rules and signs, packaging, transportation, etc. of the fire-resistant bus trunk system (fire-resistant bus duct).
JB/T 10327-2002 history
2011JB/T 10327-2011 Fire resistant busbar trunking systems (Fire resistant busway)
2002JB/T 10327-2002 Fire resistant busbar trunking systems (Fire resistant busways)