Table 9-2 Tightening Torques For Screw Terminals For Copper Cables Without Cable Lug 1) - Siemens SINAMICS SM150 Operating Instructions Manual

Maintenance
9.5 Repair
Hard S1 materials include steel, for example.
3
Table 9-2
Screw type
M2
M2.5
M3
M3.5
M4
M5
M6
M8
M10
M12
M16
Observe the tightening torques of the terminal manufacturer and the test torques according to
DIN EN 60999-1, VDE 609-1
134
Tightening torques for screw terminals for copper cables without cable lug
Set screws and
headless screws
nm in - lb
-
0.25 2.2
0.3 2.7
0.5 4.4
0.8 7.1
1.0 8.6
1.3 11.5
1.8 15.9
- -
- -
- -
Head screws with
slit
nm in - lb
-
0.5 4.4
0.6 5.3
1.0 8.9
1.3 11.5
2.5 22.1
3.0 26.6
3.9 34.5
4.8 42.5
- -
- -
SINAMICS SM150 6SL3845-7NN42-2AA3 HBIS Shigang WRM NTM
Operating Instructions Rev.202003051222 3005356504
1)
Head screws with
hexagon profile
nm in - lb
-
0.5 4.4
0.6 5.3
1.0 8.9
1.3 11.5
2.5 22.1
3.5 31.0
7.2 63.7
13 115
18 159.3
30 265.5