Screw type
Soft materials S3
1
Hard materials S2
2
Hard materials S1
3
nm
in - lb
nm
in - lb
nm
in - lb
M8
13.0
115
32.0
283
25.0
221
M10
25.0
221
65.0
575
50.0
443
M12
50.0
443
115.0
1020
88.0
779
M16
115.0
1020
270.0
2390
215.0
1900
1
Examples of soft materials are Cu, Al, CuZn cable entries, laminate materials, plastics, cast
resin post insulators, press nuts, welding nuts, blind rivet nuts, and cage nuts.
2
Hard materials S2 are materials with friction-enhancing washer components, e.g. a contact
washer.
3
Hard S1 materials include steel, for example.
Table 9-2
Tightening torques for screw terminals for copper cables without cable lug
1)
Screw type
Set screws and
headless screws
Head screws with
slit
Head screws with
hexagon profile
nm
in - lb
nm
in - lb
nm
in - lb
M2
-
-
-
M2.5
0.25
2.2
0.5
4.4
0.5
4.4
M3
0.3
2.7
0.6
5.3
0.6
5.3
M3.5
0.5
4.4
1.0
8.9
1.0
8.9
M4
0.8
7.1
1.3
11.5
1.3
11.5
M5
1.0
8.6
2.5
22.1
2.5
22.1
M6
1.3
11.5
3.0
26.6
3.5
31.0
M8
1.8
15.9
3.9
34.5
7.2
63.7
M10
-
-
4.8
42.5
13
115
M12
-
-
-
-
18
159.3
M16
-
-
-
-
30
265.5
Observe the tightening torques of the terminal manufacturer and the test torques according to
DIN EN 60999-1, VDE 609-1
Maintenance
9.5 Repair
SINAMICS SM150 6SL3845-2NN41-8AD0
148
Operating Instructions Rev.201908010908 EXAMPLE
Содержание Sinamics SM150 6SL3845-2NN41-8AD0
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