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Mechanical installation
3.1
General
Tightening torques for screw connections
The following tightening torques apply when tightening current-conducting connections (DC-
link connections, motor connections, busbars, lugs) and other connections (ground
connections, protective conductor connections, steel threaded connections).
Table 3- 1
Note
Screw connections for protective covers
The threaded connections for the protective covers made of Makrolon may only tightened
with 2.5 Nm.
Braking Module / braking resistor
Operating Instructions, 11/2017, A5E00331454A
Tightening torques for screw connections
Thread
Ground connections, protective
conductor connections, steel
M3
M4
M5
M6
M8
M10
M12
M16
threaded connections
1.3 Nm
3 Nm
6 Nm
10 Nm
25 Nm
50 Nm
88 Nm
215 Nm
Aluminum threaded connections,
plastic, busbars, lugs
0.8 Nm
1.8 Nm
3 Nm
6 Nm
13 Nm
25 Nm
50 Nm
115 Nm
3
15
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