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NOPOWSR 5976 GB
15
ABB / PTMV
SafeRing / SafePlus
SF6 insulated ring main unit and compact switchgear
Installation and operating instructions
5.3 INSTALLATION AND
REPLACEMENT
OF FUSES
A red indicator below the fuse symbol on the
lower front panel indicates a fuse trip. Fuses
are replaced as shown in the sequence of
illustrations. Switch fuse configurations are
supplied without fuses installed.
When installing fuses for the first time,
follow the sequence of illustrations 1-9.
2. Close earthing switch by turning
operating handle clockwise.
5.
Applying the operating handle and turning anti-clockwise
opens the fuse canisters.
1. Fuse trip indicator.
3. Unscrew fuse cover.
4. Tilt out the fusepanel to gain access
to fuse canisters.