ABB UniSec - Page 22

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DRS/DRC end or isolating units
For DRC and DRS units, the busbars are not installed directly
on the top of the switch-disconnector or bushing. Therefore to
tighten the screws properly, the nuts must be installed under
the busbars.
DRS/DRC 12-17.5 kV, 630 A end or isolating units
Figure 62. DRS/DRC 12-17.5 kV, 630 A end or isolating units
DRS/DRC 24 kV, 630 A end or isolating units
Figure 63. DRS/DRC 12-17.5 kV, 630 A end or isolating units
Figure 64. DRS/DRC 24 kV, 630 A end or isolating units
Figure 65. DRS/DRC 24 kV, 630 A end or isolating units
DRS/DRC 12-17.5 kV, 800 A end or isolating units
Figure 67. DRS/DRC 12-17.5 kV, 800 A end or isolating units
Figure 66. DRS/DRC 12-17.5 kV, 800 A end or isolating units