Emc-Correct Electrical Installation - Danfoss VLT HVAC Basic Drive FC 101 Design Manual

How to Install
Power [kW]
3x525-600 V IP20
2.2
3
3.7
5.5
7.5
11
5 5
15
18.5
22
30
37
45
55
75
90
3x380-480 V IP54
0.75
1.5
2.2
3
4
5.5
7.5
11
15
18.5
22
30
37
45
55
75
90
Table 5.17 Fuses

5.2.5 EMC-Correct Electrical Installation

General points to be observed to ensure EMC-correct
electrical installation.
•
Use only screened/armoured motor cables and
screened/armoured control cables.
•
Connect the screen to earth at both ends.
•
Avoid installation with twisted screen ends
(pigtails), since this ruins the screening effect at
62
®
VLT HVAC Basic Drive Design Guide
Circuit Breaker
UL Non UL
Cutler-Hammer Cutler-Hammer
EGE3080FFG EGE3080FFG
Cutler-Hammer Cutler-Hammer
JGE3125FFG JGE3125FFG
Cutler-Hammer Cutler-Hammer
JGE3200FAG JGE3200FAG
Moeller NZMB1-A125
Moeller NZMB2-A160
Moeller NZMB2-A250
MG18C402 - VLT
UL
Bussmann Bussmann Bussmann Bussmann
Type RK5 Type RK1 Type J
KTS-R20
KTS-R20
KTS-R20
KTS-R20
KTS-R20
KTS-R30
KTS-R30
FRS-R-80 KTN-R80
FRS-R-80 KTN-R80
FRS-R-80 KTN-R80
FRS-R-125 KTN-R125
FRS-R-125 KTN-R125
FRS-R-125 KTN-R125
FRS-R-200 KTN-R200
FRS-R-200 KTN-R200
high frequencies. Use the cable clamps provided
instead.
•
It is important to ensure good electrical contact
from the installation plate through the installation
screws to the metal cabinet of the frequency
converter.
•
Use starwashers and galvanically conductive
installation plates.
•
Do not use unscreened/unarmoured motor cables
in the installation cabinets.
®
is a registered Danfoss trademark
Fuse
Non UL
Max fuse
Type T Type G
20
20
20
20
30
35
35
80
80
80
125
125
125
200
200
125
125
125
160
160
200
200