VersaRupter MV Indoor Switch | Installation and Operation Manual 48
Replacement of Fixed Contact and Arcing Chamber
Ensure the VersaRupter is in the open position and both
operating springs discharged.
1. Using a T40 Torx socket, unscrew the two screw (3.1)
and lift up the arcing chamber and the thermal disc
(3.4 / 600 A) while pressing the main contact (3.5)
firmly against the hollow insulator. See figure 115.
2. Lift up the main contact (3.5) by the arcing contacts
(3.6) which penetrate the main contact. Remove the
pressure spring (3.7) and clean the top of the insulator
and the hole. Blow out the threaded holes. See figure
116.
Figure 114
Figure 115
Figure 116
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