198 Technical data
Category C2
The emission limits are complied with the following provisions:
1. The motor and control cables are selected as specified in this manual.
2. The drive is installed according to the instructions given in this manual.
3. For the maximum motor cable length with 4 kHz switching frequency, see page
184.
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: Do not install a drive with the internal EMC filter connected on IT (ungrounded).
The supply network becomes connected to ground potential through the internal
EMC filter capacitors which may cause danger or damage to the drive. For
disconnecting the EMC filter see page 93.
Note: Do not install a drive with internal EMC filter connected on corner-grounded TN
systems; otherwise the drive will be damaged. For disconnecting the internal EMC
filter see page 93.
Category C3
The drive complies with the standard with the following provisions:
1. The motor and control cables are selected as specified in this manual.
2. The drive is installed according to the instructions given in this manual.
3. For the maximum motor cable length with 4 kHz switching frequency, see page
184
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.
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