4. For the maximum motor cable length with 4 kHz switching frequency, see section
Motor connection data (page 191).
WARNING! The drive may cause radio interference if used in residential or
domestic environment. The user is required to take measures to prevent
interference, in association to the requirements for the CE compliance listed above,
if necessary.
Note: Note: Do not install a drive with the EMC filter connected to a system that the
filter is not suitable for. This can cause danger, or damage the drive.
Note: Do not install a drive with the ground-to-phase varistor connected to a system
that the varistor is not suitable for. If you do, the varistor circuit can be damaged.
If you install the drive to any other system than symmetrically grounded TN-S system,
you may need to disconnect the EMC filter or the ground-to-phase varistor. See section
Grounding system compatibility check (page 85).
￭ Category C3
The drive complies with the standard with the following provisions:
1. The drive is equipped with EMC filter option +E200 or +E201.
2. The motor and control cables are selected as specified in this manual.
3. The drive is installed according to the instructions given in this manual.
4. For the maximum motor cable length with 4 kHz switching frequency, see section
Motor connection data (page 191).
WARNING! A drive of category C3 is not intended to be used on a low-voltage
public network which supplies domestic premises. Radio frequency interference
is expected if the drive is used on such a network.
Note: Note: Do not install a drive with the EMC filter connected to a system that the
filter is not suitable for. This can cause danger, or damage the drive.
Note: Do not install a drive with the ground-to-phase varistor connected to a system
that the varistor is not suitable for. If you do, the varistor circuit can be damaged.
If you install the drive to any other system than symmetrically grounded TN-S system,
you may need to disconnect the EMC filter or the ground-to-phase varistor. See section
Grounding system compatibility check (page 85).
￭ Category C4
The drive complies with the C4 category with these provisions:
1. It is ensured that no excessive emission is propagated to neighboring low-voltage
networks. In some cases, the natural suppression in transformers and cables is
Technical data 197
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