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Bus Duct

  • Air-type Bus Duct
  • Intensive Bus Ducts
  • Ducts Elbow
  • Z-type Bus Ducts

Bus duct is effective electrical power distribution equipment for high rise buildings and large-scale workshops, both indoors and outdoors.

Our bus ducts have the nominal voltage of 660V and frequency of 50Hz or 60Hz, and can guarantee the power distribution safety for the use of three-phase three-wire, three-phase four-wire and three-phase five-wire system and of 100nA nominal current. High insulating bus ducts, aluminum shell bus ducts, flame proofing bus ducts, high-pressure sealed bus ducts, intensive bus ducts and air-type bus ducts are all available according to the actual condition.


Materials: Aluminum alloy is recommended. Stainless steel and hot galvanized steel shells are also provided. Bus ducts with other materials are also customizable at the request of our customers.
Current range: 200-4000A

Normal working conditions:

1. Ambient temperature range is -5℃- 40℃, and the average temperature within 24 hours should not exceed 35℃.
2. Relative humidity should not exceed 90% when ambient temperature is 20℃.
3. Altitude of installation spot should not exceed 2000m.
4. Please give us clear indication in the contract if you have any special requirement. We will make customized products.

ToMa company offers various electric power transmission and distribution equipment and components, including cable tray, bus duct, high voltage switchgear, low voltage switchgear, with continuous development to offer customers high quality cable tray and cable bridge products.

cable management, metal duct, busway, cable channel, cable duct

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