Electrical Connection Of The Main Conductors - Siemens SION Operating Instructions Manual

Fig. 77 Cleaning the connecting surfaces
9229 0025 176 0-
2018-01-18

Electrical connection of the main conductors

DANGER
High-voltage - danger to life
Checking the vacuum circuit-breaker in the panel with applied high voltage is al-
lowed only after full functionality has been determined (see "Commissioning" on
page 57).
Note
Grease the conductor bars with Vaseline prior to mounting.
Note
• Screw-in depths for screws or threaded rods and
• Impact depths for spring pins or spiral spring pins can be found in table
"Screw-in depths", Fig. 79.
The conductor bars can be purchased from the Siemens Service Center.
Preparing contact surfaces
Note
Clean silver spray-plated and copper spray-plated contact areas 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. 78 Cleaning the connecting surfaces of the con-
ductor bars
Mounting
49