Illustration 5.5: 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.
5. Electrical installation
VLT
®
AQUA Drive
Operating Instructions
22
MG.20.M5.02 - VLT
®
is a registered Danfoss trademark
5