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AC/DC bus ducts

Our AC and DC bus ducts are designed for interconnecting groups of metal-enclosed or metal-clad switchgear, power converters and transformers.

Documentations
Brochures
AC/DC Bus Duct Brochure
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Product environment

By manufacturing both the bus duct and switchgear, we ensure efficient integration of components on site.

Non-segregated phase bus / AC bus
The AC bus duct supports voltages up to 1058 VAC and currents up to 3000 A. It has all phase conductors in a single enclosure with air space between them, without metallic barriers. Conductors are mounted on custom-molded fiberglass-reinforced polyester blocks. The bus duct is designed to connect transformers to 12-pulse or 6-pulse converters.

DC bus
The DC bus duct supports voltages up to 1200 VDC and currents up to 15,000 A. It meets most DC application needs, with each pole in a separate enclosure. The DC bus duct is designed to connect converters to positive and negative DC switchgear assemblies.

Non-ventilated enclosure
The enclosure is constructed in order to provide no intentional circulation of external air through it. Ventilated enclosures can be provided for indoor applications.

Product listing
Standard product range
Unit AC Bus Duct DC Bus Duct
Rated voltage [V] Up to 1058 Up to 1200
Rated current [A] Up to 3000 Up to 15000
Test voltage at power frequency (1min.) [kVrms] 4.8 4.8
Rated frequency [Hz] 50-60 N/A
Rated short-time withstand current [kA/s] 30/1 69/0.25
Width [mm] 915 420
Depth [mm] According to requirements According to requirements
Height [mm] 400 400
Technical Data
  • IEEE C37.23-2015 | IEEE Standard for Metal-Enclosed Bus
Documentation
AC/DC Bus Duct Brochure

Main benefits

Custom engineering
Custom engineered to suit the requirement of each installation
Versatile enclosures
Indoor or outdoor rated enclosures
Modular length options
Available in any length made of modules up to 2 meters long
Ease of installation
Easy to install with its permissible busbar/enclosure adjustment at each junction
Bus joints bolted together with splice plates
Accessible covers
Removable covers for easy access when making joints and during inspections
Safe and reliable

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