Danfoss VLT AQUA Drive - Mains Wiring Overview

5.1.3. Earthing and IT mains
The earth connection cable cross section must be at least 10 mm
2
or 2 rated mains wires terminated separately according to EN 50178
or IEC 61800-5-1
unless national regulations specify differently. Always comply with national and local regulations on cable cross-
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.
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: A2
(IP 20/
IP 21)
A3
(IP 20/
IP 21)
A5
(IP 55/
IP 66)
B1
(IP 21/
IP 55/IP 66)
B2
(IP 21/
IP 55/IP 66)
C1
(IP 21/
IP 55/66)
C2
(IP 21/
IP 55/66)
Motor size:
200-240 V 0.25-3.0 kW 3.7 kW 0.25-3.7 kW 5.5-7.5 kW 11-15 kW 18.5-22 kW 30-45 kW
380-480 V 0.37-4.0 kW 5.5-7.5 kW 0.37-7.5 kW 11-18.5 kW 22-30 kW 37-55 kW 75-90 kW
Goto: 5.1.5 5.1.6 5.1.7 5.1.8
Table 5.5: Mains wiring table.
5. Electrical installation
VLT
®
AQUA Drive
Operating Instructions
26 MG.20.M4.02 - VLT
®
is a registered Danfoss trademark
5