Siemens SINAMICS S120 Device Manual page 486

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8.39 M23/M43/M54, enclosure IP23 (NEMA1 filtered)/IP43/IP54 (NEMA12 ventilated)
3. Fit the top hat to the top of the cabinet at the positions specified (fixing points of the crane
transport aid).
4. Attach the original M12 roof screws
5. Attach the M6 screws and washers at the front side (sequence: screw, spring-lock
element, small washer, large washer)
6. If the hood is very wide, insert additional screws
rear).
Figure 8-55
486
View with opened cabinet door
①
from above at the rear side.
②
from below.
③
in the center of the hood (front and
Cabinet Modules NEMA
Manual, 04/2014, A5E03586450A