Siemens SIMOTICS XP - 1 MB5 Shaft Height. 315 Cast Iron

Technical data
B.1 Tightening torques
1MB..5/6 shaft height 71 ... 355
144 Operating Instructions, 07/2020, A5E41926185A
B.1.2 Stud-type bushings
Table B- 2 Tightening torques for stud-type bushings
Thread ∅
M 4
M 5
M 6
M 8
M 10
M 12
M 16
M 20
Nm
Min.
1
1.6
2.5
5
8
13
25
42
Max.
1.2
2
3
6
10
15.5
30
52
B.1.3 Terminal board and grounding
Table B- 3 Tightening torques for electrical connections on the terminal board and grounding
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
B.1.4 Tightening torques of additional connecting terminals
Table B- 4 Tightening torques for electrical connections of monitoring equipment and anti-
condensation heating
Main terminal box
EN 60999-1: 2000 table 4 III
0.4 Nm
Auxiliary terminal box
min 0.6 Nm
max 0.8 Nm
B.1.5 Cable entries, sealing plugs and thread adapters
Note the following when mounting:
• Avoid damaging the cable jacket.
• Adapt the tightening torques to the cable jacket materials.
Ex e
Observe the attached documentation for tightening torques of the cable entries and sealing
plugs for direct mounting to the machine as well as further glands (e.g. adapters).