3
Hard S1 materials include steel, for example.
Table 5-2
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
5.4
Connect to the foundation
Four holes for M12 screws are provided on each cabinet panel to secure the cabinet to the
foundation. Information on mounting holes and their fixing dimensions are specified in the
dimension drawing.
• Install the transport units in accordance with the specifications provided in the
accompanying dimension drawings.
• Maintain the specified clearance between the top of the cabinet and the ceiling.
Mounting
5.4 Connect to the foundation
3rd Party LCI Control Upgrade
Operating Instructions, 02/2022, A5E31872818
81
