Siemens SIMOTICS XP 1LA5 - Connecting the Grounding Conductor; Grounding Connection Type

Electrical connection
Explosion-protected machines
56100000002002, 01/2016
115
Table 6-6 Tightening torques for self-tapping screws on the terminal box, end
shields, screw-type grounding conductor connections, sheet metal fan
covers
Thread ∅
M 4
M 5
M 6
Nm
min
4
7,5
12,5
max 5 9,5 15,5
6.3 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.
6.3.1 Grounding connection type
Enclosure grounding method
Cable cross-
section
[mm²]
Connection of an individual conductor
under the external grounding bracket.
… 10
Connection is made using a DIN cable lug
under the external grounding bracket. DIN
46 234
… 25