Connecting The Ground Conductor - Siemens 1PH813 Operating Instructions Manual

6.2.10

Connecting the ground conductor

The motor grounding conductor cross-section must be in full compliance with the installation
regulation, e.g. according to IEC / EN 60204-1. The grounding conductor is connected in the
terminal box.
Figure 6-11
Equipotential bonding
The internal equipotential bonding between the grounding terminal in the terminal box
enclosure and the motor enclosure is established through the terminal box retaining bolts.
The contact locations underneath the bolt heads are bare metal and protected against
corrosion.
The standard cover fixing screws are sufficient for equipotential bonding between the
terminal box cover and terminal box enclosure.
Synchronous/induction motors 1PH813
Operating Instructions, 04/2009, 610.48000.22
Connecting the grounding conductor
Connection
6.2 Electrical connection
47