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Electrical connection
6.4 Connecting the grounding conductor
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- 2
Tightening torques for cable glands
M 12 x 1.5
M 16 x 1.5
M 20 x 1.5
M 25 x 1.5
M 32 x 1.5
M 40 x 1.5
M 50 x 1.5
M 63 x 1.5
6.3.2
Terminal box, end shields, grounding conductor
If no other tightening torques are specified, then the values in the following table apply.
Table 6- 3
Tightening torques for screws on the terminal box, end shields, screw-type grounding conductor connections
Thread ∅
Nm
6.3.2.1
Tightening torque for the condensation drain plug
Note
Tightening torque for the condensation drain plug
Tighten the condensation drain plug M6x0.75 with a torque between 1.5 and 2.0 Nm!
6.4
Connecting the grounding conductor
6.4.1
General information on connecting the grounding conductor
The machine's grounding conductor cross-section must comply with EN / IEC 60034-1.
Please also observe installation regulations such as those specified in EN / IEC 60204-1.
52
Metal
± 10%
[Nm]
8
10
12
18
20
M 3.5
M 4
min
0.8
2
max
1.2
3
Clamping range [mm]
Standard
-30 °C ... 100 °C
3,0 ... 7,0
4,5 ... 10,0
7,0 ... 13,0
9,0 ... 17,0
11,0 ... 21,0
19,0 ... 28,0
26,0 ... 35,0
34,0 ... 45,0
M 5
M 6
M 8
3.5
6
16
5
9
24
Operating Instructions, 03/2016, 5 610 80000 40 018
O ring
Cord dia.
[mm]
M 10
M 12
M 16
28
46
110
42
70
165
Smoke extraction motors
2
M20
225
340
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