Terminal Boxes, End Shields, Grounding Conductors, Sheet Metal Fan Covers - Siemens SIMOTICS XP 1LA5 Compact Operating Instructions

Electrical connection
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 6-4 Tightening torques for cable glands
Metal
± 10%
[Nm]
M 12 x 1.5 8
M 16 x 1.5 10
M 20 x 1.5 12
M 25 x 1.5
M 32 x 1.5 18
M 40 x 1.5
M 50 x 1.5 20
M 63 x 1.5
6.2.3 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 6-5 Tightening torques for screws on the terminal box, end shields, screw-
type grounding conductor connections
Thread ∅
N min
m
max
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!
114
Plastic
Standard
± 10%
-30 °C ... 100 °C
[Nm]
-30 °C ... 90 °C
1.5 3.0 ... 7.0
2 4.5 ... 10.0
4 7.0 ... 13.0
9.0 ... 17.0
11.0 ... 21.0
6
19.0 ... 28.0
26.0 ... 35.0
34.0 ... 45.0
M M 4 M 5
3.5
0.8 2 3.5
1.2 3 5
Clamping range [mm]
Ex
-60 °C ... 90 °C
6.0 ... 10.0
6.0 ... 12.0
10.0 ... 16.0
13.0 ... 20.0
20.0 ... 26.0
25.0 ... 31.0
M 6 M 8 M 10 M 12 M 16
6 16 28
9 24 42
Explosion-protected machines
56100000002002, 01/2016
O ring
Cord
dia.
[mm]
Ex
-
2
-
M20
46 110 225
70 165 340