Siemens NXAIR Operating Instructions Manual page 262

Operating the removable voltage transformers
Fig. 477: Contact caps covering the protection fuse-link
To unlock the contact cap, insert both ends of the tool in the openings of the contact cap and
turn clockwise as far as it will go.
Fig. 478: Unlocking the contact cap
Holding it by the contact, pull the contact cap off the housing, and store it.
Fig. 479: Pulling the contact cap off the housing
Pull the spring off the protection fuse-link and store it.
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NXAIR / ≤ 40 kA
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