ABB H569-445 - Figure 10 External Discharge Return Bus Options on Cable Rack; Figure 11 Bus Bar Hole Pattern and Numbering Schemes

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External
The external discharge return bus bar options are shown in Figure 10 and Figure 11. The external bus
is mounted on a standard 15 or 20 inch ladder type cable rack. ED83019-50 Group 13 (150021156)
and Group 13A (150021157) are rated for 2400 amperes of current. Option 150021156 provides the
first bus bar and the cable rack mounting hardware. Option 150021157 provides a bus bar, the
connecting bus bar and insulating standoffs for stacking additional tiers as required. Refer to
ED83019-50 drawing for other ground bar options.
Figure 10 External Discharge Return Bus Options on Cable Rack
Figure 11 Bus Bar Hole Pattern and Numbering Schemes