Improving the grounding (EMC), HF grounding

For improved, low-impedance grounding at high frequencies, we recommend using the following connections with corrosion protected connection elements:

HF grounding is not installed as standard.

The HF grounding option can be combined with LF grounding at the terminal box.

If you require LF grounding in addition to HF grounding, you can connect the conductor to the same point.

The HF grounding option can be ordered as follows:

  • Completely pre-assembled at the factory
  • As "grounding terminal" kit for customer installation; part numbers listed in the following table.

Motors

Part number of "grounding terminal" kit

DR..90

21015988

Installing the ground strap is not possible with MOVIONE® for DR.71 and DR.80 motors.

INFORMATION

If 2 or more ground straps are used, you have to attach them with a longer screw. The specified tightening torques refer to a strap thickness of t ≤ 3 mm.