NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
18
Operation of NXAirS
Attention!
The unstable auxiliary voltage will impact the electrical interlock and mechanical interlock. If
the interlock mechanism moves upwards, manual operation is not allowed due to the electrical
interlock.
Before the manual operation, ensure to perform necessary external unlock at first.
Open the padlock (option).
Push the sliding baffle plate upwards.
Insert the handle of SION module to the operating shaft and turn it clockwise to the limit
place.
Take out the operating handle.
Sliding baffle plate will close automatically.
Lock up the padlock (option).
√
SION module is pushed to test position from the working position.
13.5 Push SION module to test position
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Place the module into the panel;
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Close the HV door;
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The module is in working position;
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Circuit breaker is in open position;
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Use operating handle to push SION module.
Preconditons for this operation
Attention!
Only when SION module is positioned in stable limit place, all interlocks can be unlocked.
SION module must be moved to its limit place.
Fig. 11: Operation of Pushing SION Module
