Installation
9229 0025 176 0A 49
2019-08-05
Electrical connection of the main conductors
The conductor bars can be purchased from the Siemens Service Center.
Preparing contact surfaces
DANGER
High-voltage - danger to life
Checking the vacuum circuit-breaker in the panel when high voltage is applied is
only permitted after full functionality has been determined (refer to “Commission-
ing” on page 57).
Note
Grease the conductor bars with Vaseline prior to installation.
Note
• For screw-in depths for screws or threaded rods and
• impact depths for dowel pins or coiled spring pins, see table “Screw-in
depths”, Fig. 79.
Note
Clean silver spray-plated and copper spray-plated connecting surfaces with a
cloth; do not brush.
Different connection materials (AI/CU) must not be cleaned with the same clean-
ing tools.
Silver-plated parts must not be bolted to aluminium bars!
Fig. 77 Cleaning the connecting surfaces Fig. 78 Cleaning the connecting surfaces of the con-
ductor bars
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