4.3.5.2. Earthing The Switchgear; Assembly Of The Low Voltage Compartment (On Request) - Siemens 8BT2 Installation And Operating Instructions Manual

4.3.5.2. Earthing the switchgear

4.3.6.

Assembly of the low voltage compartment (on request)

46
Fig34. Assembly of interconnecting earthing bars
Check the contact surfaces of the earthing busbar. Brush if required and apply a thin
film of Shell Vaseline.8422 which is provided in accessories.
Place the interconnecting earthing bar into the corresponding openings of the two
adjacent panels and bolt it together with the fixed earthing bars of the panels.
Refit the bolted joints of the earthing busbar.
To earth the switchgear row, make the connection at least the earthing busbar of the left and
right end panel to the substation earth of the switchgear building. The connection is available
in every panel, either in the cable compartment or in the switching device compartment.
On request, the low-voltage compartments can be delivered separately and must be
mounted on site.
ATTENTION!
The low-voltage compartment weight is up to ~90 kg with the secondary equipment.
Observe safe standing position of low-voltage compartment while lifting!
Do not stay under a lifted compartment!
Lift low voltage compartment up to height of upper edge of high voltage door with
suitable lifting equipment.
Fig35. Lifting and positioning the low-voltage compartment
Revision 04 * INSTALLATION AND OPERATING INSTRUCTIONS 8BT2 * 881-4027.9