LT Bus Duct

Bus duct is used for the effective and efficient supply of electricity in mostly industrial locations. Copper or aluminum is used for the conductor of bus duct that be insulated and enclosed completely for protection against mechanical damage and dust accumulation. A bus duct system is an effective method of distributing power to your switchgear and various loads. However, bus duct problems can lead to catastrophic damage and extensive downtime.

There are basically three general categories of bus duct (all-metal enclosed). The nonsegregated phase bus implies a duct where all phase conductors are in a common metal enclosure without barriers between phases. This definition applies to rigid and flexible conductors such as the bar or cable duct.

Segregated phase bus is a duct where phase conductors are in a common metal enclosure but are segregated by ground metal barriers between each phase conductor. Isolated phase duct is when each phase conductor is enclosed in its own metal housing and adjacent conductor housings are separated by an air space. This duct usually has higher amp ratings than other types. The housing and conductors are tubular in shape and are welded at site together. This duct is force-air cooled above a 25000A continuous rating.