Removing The Connection Clip To The Interference Suppression Capacitor For Operation On An Ungrounded Line Supply (It System) - Siemens SINAMICS G150 Operating Instructions Manual

4.8.6 Removing the connection clip to the interference suppression capacitor for
operation on an ungrounded line supply (IT system)
If the cabinet unit is operated on an ungrounded line supply (IT system), the connection clip
to the interference suppression capacitor of the converter (-T1) must be removed.
NOTICE
Warning label on the connection clip
A yellow warning label is attached to each connection clip so that it is easier to find.
• The warning label must removed from the connection clip (by pulling it off) if the
• The warning label must be removed together with the connection clip if the unit is
Figure 4-6
Failing to remove the connection clip for the interference suppression capacitor on an
ungrounded line supply (IT system) can cause significant damage to the device.
Note
For units that are connected in parallel, the connection bracket must be removed in both
sub-cabinets:
• For 3 AC 380 to 480 V:
• For 3 AC 500 to 600 V:
• For 3 AC 660 to 690 V:
Converter cabinet units
Operating Instructions, 03/2012, A5E03263466A
connection clip is to remain in the unit (operation on a grounded line supply).
operated on a non-grounded line supply (IT system).
Warning label on the connection clip
WARNING
6SL3710-2GE41-1AAx, 6SL3710-2GE41-4AAx, 6SL3710-2GE41-6AAx
6SL3710-2GF38-6AAx, 6SL3710-2GF41-1AAx, 6SL3710-2GF41-4AAx
6SL3710-2GH41-1AAx, 6SL3710-2GH41-4AAx, 6SL3710-2GH41-5AAx
Electrical installation
4.8 Power connections
87