Bus Duct Systems and Enclosures

Exel International designs and manufactures customized bus duct systems and enclosures. Bus duct systems are usually designed for interconnecting power transformers and other related equipment, such as switchgears and inverters. Exel offers a wide array of custom-engineered bus duct systems and enclosures solutions for the power generation, distribution, petro-chemical, municipal, transit and industrial markets.

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  • Bus duct and enclosure systems can be designed to meet the requirements of industry standards.
  • Ventilated or completely enclosed steel enclosure with powder-coating paint for indoor or outdoor service with 1000 hours salt-spray resistance.
  • Tin or silver-plated copper and aluminium conductors will be used as intermediate bus.
  • Flexible braided connectors are used for end-to-end connections, thermal expansion as well as for bonding and grounding.
  • The systems can include gaskets, connection flanges, wall entrance seals, equipment terminations, tap boxes, offsets, wall supports and structural steel supports as per the specified design.

Current Capacity

Ratings from 400 Amps to 8000 Amps, 3 phases


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Available System Testing

  • Testing to UL 857 standards or other requirements
  • Heat rise testing
  • Short-circuit testing at rated voltage
  • Verification of insulation resistance and dielectric strength after exposure to rain
  • Verification of impact strength
  • Maximum dielectric strength between enclosure and busway
  • Required tests can be performed by a third-party organization

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ISO 9001:2015
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