Siemens NXAIR M - 12 Operating the Metering Panel; Control Elements at the Front Side of the Panel; Position Indicators Visible on High-Voltage Door

139-2021.9 / 07 NXAIR M 77
Operating the metering panel
12 Operating the metering panel
HINT
Read and understand these instructions before attempting operating works.
12.1 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 inserting the double-bit key
to control racking of the withdrawable metering
part
(6)
Handle for opening the
high-voltage door
(7)
Mechanical position indicator for
withdrawable metering part
(8)
High-voltage door
(9)
Actuating opening for racking the
withdrawable metering part
(10)
Operating slide for opening and closing the
actuating opening for racking the
withdrawable disconnector link
(11)
Test sockets for voltage detecting system
(type LRM)
Fig. 124: Control elements on the panel front
12.2 Position indicators visible on high-voltage door
Indicator for position of withdrawable metering part:
Position indications for:
Service position
Intermediate position
Test position
8
7
9
1
2
3
4
5
6
11
10