Electrical Connection; Special Issues When Connecting Power Modules Fsg - Siemens SINAMICS S120 Equipment Manual

Power Modules
5.2 Blocksize Power Modules (PM240-2)
5.2.7

Electrical connection

5.2.7.1

Special issues when connecting Power Modules FSG

Large connection cross-sections
Note
Cable lugs for M10 bolts according to SN71322 are suitable for cables with cross-sections of
35 mm
To connect cables with 240 mm
12SG10. Other cable lugs are not suitable due to the narrow Power Module design. The
maximum permissible cable lug width is 37 mm (1.45 inch).
Remove the plastic insulating plate as shown below to gain better access to the terminals for
the power connections.
Figure 5-27
NOTICE
Power Module damage as a result of operation without insulating plates
Without the insulating plates, voltage flashovers may occur between the phases.
• Replace the insulating plates after connecting the cables.
Remove the grounding screw
PM240-2 Power Modules, frame size FSG can be operated on TN and TT line supplies with
grounded neutral point.
Operating PM240-2 modules, frame size FSG with integrated C3 line filter is also possible on
TN and TT line supplies without grounded neutral point, as well as on IT line supplies. To do
this, you must remove the grounding screw.
114
... 185 mm (1 AWG ... 2 × 350 MCM).
2 2
PM240-2, FSG, insulating plates
(500 MCM), you must use narrow cable lugs, e.g. Klauke
2
Manual, 06/2019, 6SL3097-5AL00-0BP1
AC Drive