Siemens NXAIR M - 11 Operating the Disconnecting Panel; Control Elements at the Front Side of the Panel; Position Indicators Visible on High-Voltage Door

139-2021.9 / 07 NXAIR M 73
Operating the disconnecting panel
11 Operating the disconnecting panel
HINT
Read and understand these instructions before attempting operating works.
11.1 Control elements at the front side of the panel
(1)
Door to the low-voltage compartment
(2)
Protection device
(3)
Locking device for the door to the low-voltage
compartment
(4)
Instruction label for closing the
high-voltage door
(5)
Actuating opening for racking the withdrawable
disconnector link
(6)
Handle for opening the high-voltage door
(7)
Actuating opening for inserting the double-bit key to
control racking of the withdrawable disconnector link
(8)
Mechanical position indicator for withdrawable
disconnector link
(9)
High-voltage door
(10)
Actuating opening for feeder earthing switch
(11)
Operating slide for opening and closing the actuating
opening for operating the feeder earthing switch
(12)
Mechanical position indicator for feeder earthing switch
(13)
Operating slide for opening and closing the actuating
opening for racking the withdrawable disconnector link
(14)
Test sockets for voltage detecting system (type LRM)
Fig. 123: Control elements on the panel front
11.2 Position indicators visible on high-voltage door
Withdrawable disconnector link:
Service position, intermediate position
or test position
Service position
Intermediate position
Test position
Feeder earthing switch:
CLOSED position or
OPEN position
CLOSED
OPEN
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