Interlocks; Accessories - Siemens NXAirS Manual

NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
NXAirS description

8. Interlocks

Note: busbar earthing switch
can be locked by a padlock or
electromagnetic lock to avoid
misoperation.

9. Accessories

10
Mechanical interlocks
operation
Inserting the withdrawable module
in the panel
Move the withdrawable moduel out
from the panel
Move the withdrawable part to the
service position
Insert the second plug connector
Move the withdrawable module to
the test position
Close the Circuit-breaker
Open the Circuit-breaker
Close the earthing switch
Close the busbar earthing switch
Open the front door
Additional electromagnetic interlocks (optional)
operation
Move the withdrawable module manually
Close the busbar earthing switch
Close the busbar earthing switch
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
●
Additional preconditions
withdrawable module at the service truck
withdrawable module at the test 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
coding interlock is used between plug connector and
withdrawable module
Circuit-breaker at OPEN status
Withdrawable module at disconnected or service position
None
Withdrawable module at disconnected position of
interlock
No power of main busbar
Withdrawable module at disconnected position
Additional preconditions
external unlocked
external unlocked
external unlocked