Stud-Type Bushings; Terminal Boxes, End Shields, Grounding Conductors, Sheet Metal Fan Covers; Terminal Board And Grounding; Additional Connecting Terminals For Monitoring Equipment And Anti-Condensation Heating - Siemens SIMOTICS XP 1MB1 series Operating Instructions Manual

Technical data
B.1 Tightening torques
B.1.2

Stud-type bushings

Table B- 2 Tightening torques for stud-type bushings
Thread ∅
Min.
Nm
Max.
B.1.3

Terminal boxes, end shields, grounding conductors, sheet metal fan covers

If no other tightening torques are specified, then the values in the following table apply.
Table B- 3 Tightening torques for screws on the terminal box, end shields, screw-type grounding conductor connections
Thread ∅ M 3.5
Nm min 0.8
max 1.2
Tightening torque for the condensation drain plug
Tighten the condensation drain plug M6x0.75 with a torque between 1.5 and 2.0 Nm.
B.1.3.1

Terminal board and grounding

Table B- 4 Tightening torques for electrical connections on the terminal board and grounding
Thread ∅ M 3.5
min 0.8
Nm
Max. 1.2
B.1.4 Additional connecting terminals for monitoring equipment and anti-condensation
heating
Table B- 5
Main terminal box
EN 60999-1: 2000 table 4 III
Auxiliary terminal box
166
M 4 M 5 M 6
1 1.6 2.5
1.2 2
M 4 M 5
2 3.5
3 5
M 4 M 5
0.8 1.8
1.2 2.5
Tightening torques for monitoring equipment and anti-condensation heating
M 8 M 10
5 8
3 6 10
M 6 M 8 M 10
6 16
9 24
M 6 M 8
2.7 5.5
4 8
min 0.6 Nm
1LA5/6/7/9, 1LG4/6, 1MA6/7, 1MB..1/2/3/4/5 - SH 63 ... 355
M 12 M 16
13 25
15.5 30
M 12 M 16
28 46 110
42 70 165
M 10 M 12
9 14
13 20
0.4 Nm
max 0.8 Nm
Operating Instructions, 06/2018, A5E44455710A
M 20
42
52
M20
225
340
M 16
27
40