Preparation; Selecting Cables; Connect Up The Ground Conductor; Figure 6-1 Terminal Lug For The Grounding Conductor For A Force-Ventilated Motor - Siemens 1PH818 Operating Instructions & Installation Instructions

Electrical connection

6.2 Preparation

6.2 Preparation
6.2.1

Selecting cables

Take the following criteria into account when selecting the connecting cables:
● Rated current
● Rated voltage
● If required, service factor
● System-dependent conditions, such as ambient temperature, routing type, cable cross-
● Configuration notes
● Requirements according to IEC/EN 60204‑1
6.2.2

Connect up the ground conductor

The grounding conductor of the motor must be in full conformance with the installation
regulations, e.g. in accordance with IEC/EN 60204-1.
● Connect the ground conductor to the end shield of the motor. There is a fixing lug
● When making connections, ensure the following:
Figure 6-1
68
section as defined by required length of cable, etc.
the ground conductor at the designated connection point.
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– The fixing lug is suitable for grounding high-frequency currents using HF ribbon cable
with appropriately formed conductor ends.
– the connecting surface is bare and protected against corrosion using a suitable
substance, e.g. acid-free Vaseline
– the flat and spring washers are located under the bolt head.
①
Terminal lug for the grounding conductor for a force-ventilated motor
SIMOTICS M-1PH8 1PH818., 1PH822.
Operating Instructions 07/2016
①
for