Terminal Box; Recommended Grounding - Siemens SIMOTICS M-1FE2 Configuration Manual

Connecting
8.2 Electrical connection
8.2.1.5

Terminal box

The terminal box is not included in the scope of supply.
Note
The terminal box box must have as a minimum, degree of protection IP54 according to DIN
IEC 60034-5.
• Install the corresponding seals between the spindle box and terminal box, as well as at the
terminal box cover.
8.2.1.6

Recommended grounding

Note
A protective conductor / bearing shield must be connected at the spindle box through a good
electrical connection.
The spindle housing / bearing shield must be electrically connected to the cooling jacket.
• Use a protective conductor with the required minimum cross-section.
• Ground so there is a good conductive transition between the protective conductor and
spindle box protected against corrosion (e.g. bare contact surfaces with a coating of
Vaseline).
1
2
3
4
5
Figure 8-3
118
Stator
Cooling jacket
Spindle housing
Bearing shield
Ground connection with M8 screw
Recommended grounding
SIMOTICS M-1FE2 built-in motors
Configuration Manual, 05/2021, A5E50494252B AB