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Interlocking for racking the withdrawable disconnector link
On disconnecting panels, racking the withdrawable disconnector link is interlocked with mechanical interlock
by padlock and optionally also with electromagnetic interlock by solenoid.
The procedure for racking the withdrawable disconnector link to service position and/or test position is
identical with the procedure for racking the withdrawable circuit-breaker to service position and/or test
position.
For racking the withdrawable disconnector link to test position, see chapter 10.7 and/or 10.8.
139-2021.9 / 07
HINT
Releasing the mechanical interlock is only permissible to lift the operating slide for
opening and closing the actuating opening. The operating slide must otherwise
always be interlocked mechanically by padlock. This is also valid for panel
versions with additional electromagnetic interlock:
HINT
Panel versions with electromagnetic interlock are identified on the high-voltage
door with a label for interlocking the disconnecting function.
Operating the disconnecting panel
NXAIR M
75
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