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230 Technical data
Tightening torques (N·m / lbf·ft)
Common tightening torques for screw connections
Use torques given in component-specific documentation. If other torque values are not
given, use the values listed in the following tables.
For Rittal components, use torques given in the Rittal assembly documentation.
Cable lugs
Screw size
M8
M10
M12
Electrical connections
Screw size
M3
M4
M5
M6
M8
M10
M12
M16
Mechanical connections
Screw size
M5
M6
M8
Insulation supports
Screw size
M6
M8
M10
M12
Max. torque
N·m
lbf·ft
15
11.1
32
23.6
50
36.9
Max. torque
N·m
lbf·ft
0.5
0.4
1
0.7
4
3.0
9
6.6
22
16.2
42
31.0
70
51.6
120
88.5
Max. torque
N·m
lbf·ft
6
4.4
10
7.4
24
17.7
Max. torque
N·m
lbf·ft
5
3.7
9
6.6
18
13.3
31
22.9
Note
Strength class 8.8
Strength class 8.8
Strength class 8.8
Note
Strength class 4.6...8.8
Strength class 4.6...8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
Note
Strength class 8.8
Strength class 8.8
Strength class 8.8
Note
Strength class 8.8
Strength class 8.8
Strength class 8.8
Strength class 8.8
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