ABB VersaRupter Installation, Operation And Maintanance Manual - page 30
Manual is about: MV Indoor Switch 4.76-38 kV, 200-1200 A, 40 & 61 kA
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VersaRupter MV Indoor Switch | Installation and Operation Manual
30
Installing the Mechanical Interlock
5. Slide an interlock cam onto each splined shaft with the
flat portion facing the interlock slider as shown in fig-
ure 66.
6. Slide the other half of the interlock guide plate onto
the splined shafts and install the nuts to tighten the
assembly together using a 13 mm socket. Install the
remaining clamps onto the splined shafts to secure the
mechanical interlock. See figure 67.
7. Positively ground the braided ground connection found
on the ground switch to the enclosure grounding sys-
tem.
Note: For A-mech applications, A-mech must be charged
in order to close the ground switch.
Figure 66
Figure 67