6.4.2 Grounding connection type
Type of enclosure grounding Conductor cross-sec‐
tion
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
Internal ground terminal
Comply with the following instructions when connecting up:
• Ensure that the connecting surface is bare and is protected against corrosion using a suitable
substance, e.g. acid-free Vaseline.
• Arrange the spring lock washer under the screw 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 for the locking screw.
External ground terminal
Comply with the following instructions when connecting up:
• Ensure that the connecting surface is bare and is protected against corrosion using a suitable
substance, e.g. acid-free Vaseline.
• Locate the cable lug between the contact bracket and the grounding bracket; do not remove
the contact bracket pressed into the enclosure.
• Arrange the at 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 for the locking screw.
Electrical connection
6.4Connecting the grounding conductor
1LE1, 1FP1/3, 1PC1/3 shaft height 63 ... 315
Operating Instructions, 11/2023, A5E38483075A 71
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