Siemens SINAMICS DCM Operating Instructions Manual page 20

Electrical installation
3-phase commutating reactors protective conductor connection
Table 4- 3 Protective conductor connection (1)
Commutating reactor
Order number = 6RX1800-...
4DK04; 4FK04; 4GK01; 4DK05; 4FK05; 4DK06; 4GK02;
4FK06
4DK07; 4DK08; 4FK07; 4FK08; 4GK03
1
2
3
Figure 4-4
Table 4- 4 Protective conductor connection (2)
Commutating reactor
Order number = 6RX1800-...
4DK10; 4FK10; 4GK04; 4DK11; 4GK05; 4GK06; 4FK11;
4FK12; 4KK00; 4KK01; 4GK07; 4GK08; 4FK13; 4DK12;
4KK02; 4GK10; 4KK03; 4GK11; 4FK14; 4LK00; 4GK12;
4KK04; 4LK01; 4DK13; 4DK14; 4FK15; 4GK13; 4FK16;
4FK17; 4KK05; 4GK14; 4KK06; 4GK15; 4FK18; 4DK15;
4LK02; 4GK16; 4GK17; 4LK03; 4MK00; 4KK07
20
Screw
Spring lock washer / conical spring washer 5
Disk
Protective conductor connection (1)
Screw, nut Connection lug
thickness (b)
M8 2 mm
M12 2 mm
4 Cable lug or busbar
Nut
6 PE terminal
Screw, protective Thread length
conductor protective
connection conductor
connection (L)
M12 18 mm
Operating Instructions, 11/2013, A5E32621741B
Tightening torque
17 Nm
35 Nm
Tightening torque
35 Nm
SINAMICS DCM commutating reactors