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| Bus Conductor: Integral Web Bus Conductor (IWBC) |
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This shape is used for station bus, open or enclosed and for the high-current bus of outdoor substations for distribution voltages, as well as for 600-volt bus for industrial plants. ACA offers the integral web bus conductor in both ventilated and non-ventilated conditions. The use of this shape makes it unnecessary to use the spacer clamps or welded tie-bars normally needed across the channels between insulator supports. Although convection airflow is less than that of a face-to-face channel arrangement, transverse strength is greater. The shallow grooves extruded on the surface facilitate location of the centers of drilled or punched holes for attaching base plates and taps.
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