Siemens NXAIR Operating Instructions Manual page 196

Operating the contactor panel with panel width 600 mm
Inserting HV HRC fuse-links
Inserting HV HRC fuse-links is carried out in the reverse order as removing HV HRC fuse-links.
Hold a new HV HRC fuse-link vertically such that the striker pin points to the lower clamps of
the contactor truck.
The position of the striker pin is marked on the HV HRC fuse-link by a triangle representing
an arrow.
Fig. 351: Striker pin pointing to
Approaching from the right side of the contactor truck, push the ends of the new HV HRC
fuse-links into the lower and upper clamp.
Pull the ends slightly to check if the HV HRC fuse-link is inserted firmly.
Insert the second HV HRC fuse-link into the middle phase in the same way.
Fig. 352: Both HV HRC fuse-links
196
lower clamp
inserted in middle phase
NXAIR / ≤ 40 kA
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