Electrical connection
6.3 Tightening torques
1FU8
Operating Instructions, 02/2016, 5 610 70000 02 000
59
6.3
Tightening torques
6.3.1
Electrical connections - Termincal board connections
Table 6- 2
Tightening torques for electrical connections on the terminal board
Thread ∅
M 3,5
M 4
M 5
M 6
M 8
M 10
M 12
M 16
Nm
min
0,8
0,8
1,8
2,7
5,5
9
14
27
Max.
1,2
1,2
2,5
4
8
13
20
40
6.3.2
Cable glands
Note
Avoid damaging the cable jacket.
Adapt the tightening torques to the cable jacket materials.
You should refer to the table in order to find the correct tightening torque for any metal and
plastic cable glands that are to be mounted directly on the machine, as well as for any other
screw-type connections (such as adapters).
Table 6- 3
Tightening torques for cable glands
Metal
± 10%
[Nm]
Plastic
± 10%
[Nm]
Clamping range [mm]
O ring
Cord dia.
[mm]
Standard
-30 °C ... 100 °C
M 12 x 1.5
8
1,5
3,0 ... 7,0
2
M 16 x 1.5
10
2
4,5 ... 10,0
M 20 x 1.5
12
4
7,0 ... 13,0
M 25 x 1.5
9,0 ... 17,0
M 32 x 1.5
18
6
11,0 ... 21,0
M 40 x 1.5
19,0 ... 28,0
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