Siemens NXAIR Operating Instructions Manual page 183

Preparations
The preparations for inserting the contactor truck include:
•
Verifying correspondence of truck type / version and panel type / version
•
Preparing the operating shaft for the feeder earthing switch
Verifying correspondence of truck type and panel type
To avoid inserting a truck into a panel not suitable for the truck type, verify that you have a
contactor truck at hand and that the present panel is a contactor panel.
To do so, carefully examine both the mimic diagram on the high-voltage door and the front
side of the truck.
Fig. 326: Mimic diagram on high-voltage
Verifying correspondence of truck version and panel version
To avoid inserting a contactor truck into a contactor panel not suitable for the truck type, verify
correspondence as regards (a) coding and (b) mechanical closing latch:
(a) The contactor truck must have the same coding as the panel.
Carefully
the low-voltage connector with the pair of symbols on the top side of the contactor truck.
Fig. 328: Coding symbols on top side of low-
110-0134.9 / 14
Operating the contactor panel with panel width 600 mm
door of contactor panel
compare the pair
voltage connector
NXAIR / ≤ 40 kA
Fig. 327. Front side of contactor truck
of coding symbols
Fig. 329: Coding symbols on top side of
contactor truck
on the top side
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