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6.3.2
Grounding connection type
Type of enclosure grounding
Connection of an individual conductor under the
external grounding bracket.
Connection is made using a DIN cable lug
under the external grounding bracket. DIN 46
234
Internal ground terminal
When making connections, ensure the following:
● Ensure that the connecting surface is bare and is protected against corrosion using a
suitable substance, e.g. acid-free Vaseline.
● Arrange the flat washer and spring washer under the bolt head.
● Locate the cable lug under the clamping bracket.
● Use the terminals designated for the grounding conductor in the terminal box.
● Observe the tightening torque (Page 162) for the locking screw.
External ground terminal
When making connections, ensure the following:
● Ensure that the connecting surface is bare and is protected against corrosion using a
suitable substance, e.g. acid-free Vaseline.
● Position the cable lug between the contact bracket and the grounding bracket; do not
remove the contact bracket pressed into the enclosure!
● Arrange the flat washer and spring washer under the bolt head.
● Use the marked connection location for the grounding conductor on the stator housing.
● Observe the tightening torque (Page 162) for the locking screw.
1MB..1/2/3/4 - shaft heights 63 ... 355
Operating Instructions, 06/2020, A5E44455710A
Electrical connection
6.3 Connecting the grounding conductor
Conductor cross-
section
mm²
... 10
... 25
79
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