NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
10
NXAirS description
8. Interlocks
Note: busbar earthing switch
can be locked by a padlock or
electromagnetic lock to avoid
misoperation.
operation Additional preconditions
Inserting the withdrawable module
in the panel
withdrawable module at the service truck
Move the withdrawable moduel out
from the panel
withdrawable module at the test position
Move the withdrawable part to the
service position
Insert withdrawable module and lock
Insert the second plug connector
close the door of the high-voltage compartment
Circuit-breaker at OPEN status
Feeder earthing switch at OPEN status
Insert the second plug connector
coding interlock is used between plug connector and
withdrawable module
Move the withdrawable module to
the test position
Circuit-breaker at OPEN status
Close the Circuit-breaker Withdrawable module at disconnected or service position
Open the Circuit-breaker None
Close the earthing switch
Withdrawable module at disconnected position of
interlock
Close the busbar earthing switch No power of main busbar
Open the front door Withdrawable module at disconnected position
Mechanical interlocks
operation Additional preconditions
Move the withdrawable module manually
external unlocked
Close the busbar earthing switch external unlocked
Close the busbar earthing switch external unlocked
Additional electromagnetic interlocks (optional)
9. Accessories
Standard Accessories
●
Handle for moving the Withdrawable module
●
Handle for closing Circuit-breaker module
●
Handle for manual spring charging
●
Handle for feeder earthing switch and busbar earthing switch
●
Key for low-voltage door
●
Key for high-voltage door
●
SION service truck
Optional accessories
●
Shutter operation device (left, right mechanism)
●
SION service additional truck
●
Voltage indicator
●
Tools for paint patching
●
Patching paint
●
Longtherm2 grease
●
Shell 8422 DAB 8 Vaseline
●
Lsoflex TOPAS L32
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