Siemens NXPLUS C Installation And Operating Instructions Manual page 68

Installation
Panel width Panel types
900 mm • Auxiliary transformer panel with lateral
cable connection
Panel width Panel types
900 mm • Air-insulated metering panel
Fig. 22: Floor bracings for a panel with a panel width of
600 mm (view from the front)
Floor bracing at the rear
①
② Floor bracing at the front
68/266
Panel width
900 mm
Resistance against earthquakes (option)
For fastening against earthquakes, the panels must be equipped with additional floor
bracings. The panel and the floor bracings are bolted together with the foundation rails.
On panels with a panel width of 900 mm, an additional bracing bar must be installed.
Revision 02 • INSTALLATION AND OPERATING INSTRUCTIONS • NXPLUS C • 806-9004.9
Panel types
• Auxiliary transformer panel
without lateral cable connection
Fig. 23: Floor bracings for a panel with a panel width of
900 mm (view from the rear)
Fixing point
③
④ Bracing bar (only panel width of 900 mm)
Legend:
① Left-hand floor opening
for control cables
② Pressure relief duct
③
Fixing hole for M8/M10
④ Fixing hole for M8/M10
(only for resistance
against earthquakes)
⑤ Floor opening for high-
3
voltage cables
⑥ Right-hand floor opening
for control cables (only
required for zero-
sequence current
transformers in the cable
basement)
⑦ Cross member