ABB VersaRupter Installation, Operation And Maintanance Manual - page 17
VersaRupter MV Indoor Switch | Installation and Operation Manual
17
Mounting an Open Fuse Auxiliary Switch with a Shunt Trip
4. Rotate the open fuse auxiliary switch, remove the
white disk from the half-moon shaft, and rotate the
shunt trip linkage away from the A-mechanism. Install
the long bolt and two nuts on the marked hole on the
white disk as shown in figure 26.
5. Re-install the white disk back onto the A-mechanism
and rotate the open fuse auxiliary switch back onto
the A-mechanism as shown in figure 27.
6. Rotate the white disk until it reaches its maximum
rotation and makes contact with the open fuse aux
switch, shown in figure 28. An audible click should be
heard from the switch. If not, relocate the long bolt
and nuts to the appropriate hole.
Figure 26
Figure 27
Figure 28