Mains Wiring Overview - Danfoss VLT AQUA Drive Operating Instructions Manual

5. Electrical installation
5.1.3. Earthing and IT mains
The earth connection cable cross section must be at least 10 mm
or IEC 61800-5-1
sections.
The mains is connected to the main disconnect switch if this is included.
NB!
Check that mains voltage corresponds to the mains voltage of the frequency converter name plate.
5
Illustration 5.1: 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.

5.1.4. Mains wiring overview

Please use the following table to follow mains wiring connection instructions.
Enclosure:
Motor size:
200-240 V
380-480 V
Goto:
Table 5.5: Mains wiring table.
26
unless national regulations specify differently. Always comply with national and local regulations on cable cross-
A2 A3
(IP 20/ (IP 20/
IP 21) IP 21)
0.25-3.0 kW 3.7 kW
0.37-4.0 kW 5.5-7.5 kW
5.1.5
MG.20.M4.02 - VLT
2 or 2 rated mains wires terminated separately according to
A5 B1
(IP 55/ (IP 21/
IP 66) IP 55/IP 66)
0.25-3.7 kW 5.5-7.5 kW
0.37-7.5 kW 11-18.5 kW
5.1.6 5.1.7
®
is a registered Danfoss trademark
VLT
Operating Instructions
B2 C1
(IP 21/ (IP 21/
IP 55/IP 66) IP 55/66)
11-15 kW 18.5-22 kW
22-30 kW 37-55 kW
5.1.8
®
AQUA Drive
EN 50178
C2
(IP 21/
IP 55/66)
30-45 kW
75-90 kW