NXAirS Withdrawable Metal-enclosed Switchgear, Rated Voltage Up to 12kV
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Operation of NXAirS
13.14 Operation of shutters
Movable shutters include feeder movable shutter (lower movable shutter) and busbar movable shutter (upper movable
shutter).Operating mechanism of feeder movable shutter is located at the right side of the switch panel, and operating
mechanism of busbar movable shutter is located at the left side of the switch panel.
(1) When push SION module from test position to working position, busbar movable shutter and feeder movable shutter will
open automatically and keep in fully open position.
(2) When push SION module from working position to test position, busbar movable shutter and feeder movable shutter will
close automatically.
(3) Busbar movable shutter and feeder movable shutter can be operated independently (i.e. open or close) and without
influence to each other. Padlocks can be added to relative places to protect the safety of maintenance persons to the
most extreme degree.
(4) Driving parts of movable shutter will be affected by friction, when necessary, they must be lubricated with lubrication oil.
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