compact bus duct is named after its structural form, and fire-resistant bus duct is named after its purpose.
compact bus duct refers to those bus ducts that are closely laminated between phases and between phases and shells, and use very thin insulating materials to complete the insulation between each other. It is suitable for AC three-phase four wire and three-phase five wire power supply and distribution systems with a frequency of 50~60hz, a rated voltage of 690V and a rated working current of 250~5000a. As an auxiliary equipment of power supply and distribution equipment in industries, mines, enterprises and high-rise buildings, it is especially suitable for the transformation of workshops and old enterprises.
