Earthing and IT Mains
The mains is connected to the main disconnect switch if this is included.
Check that mains voltage corresponds to the mains voltage of the frequency converter name plate.
Figure 4. 8: Terminals for mains and earthing.
IT Mains
Do not connect 400 V frequency converters with RFI-filters to mains supplies with a voltage between phase and earth
of more than 440 V.
For IT mains and delta earth (grounded leg), mains voltage may exceed 440 V between phase and earth.
Failure to follow recommendations could result in death or serious injury.
Electrical Installation
4-10 BAS-SVX19C-EN
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