Siemens SINAMICS S120 Manual page 112

Cabinet design
6.6 Electrical connection
Close the DC link protective covers until you hear
them snap into place.
Electric shock due to incorrectly installed DC link bridges
Incorrectly installed DC link bridges at the left-hand end of the drive line-up can cause an
electric shock.
• For all 50 mm wide modules
• For all components that are 75 mm wide or wider, the DC link bridges may neither be
For 50 mm wide modules, the DC link bridge cannot be swung inwards.
1)
The DC link bridge guarantees the mechanical stability of the DC link busbars.
2)
Electric shock due to missing DC link side covers
There is a danger of an electric shock through contact when the side covers of the DC link
are missing.
• Mount the side covers on the first and last component in the drive line-up.
You can order missing side covers (article number: 6SL3162-5AA00-0AA0).
110
WARNING
tighten the screws without the DC link bridges.
swung over to the left nor removed
WARNING
, remove the DC link bridge including the screws. Do not
1)
.
2)
Power Units in Booksize C/D-Type Format
Manual, 12/2018, 6SL3097-5AC20-0BP0