Danfoss VLT HVAC Basic Drive FC 101 Quick Manual page 41

Quick Guide
1 1
1.7.5 EMC Test Results
The following test results have been obtained using a
system with a frequency converter, a screened control
cable, a control box with potentiometer, as well as a motor
screened cable.
RFI Filter Type
H4 RFI filter (Class A1)
0.25-11 kW
3x200-240 V
IP20
0.37-22 kW
3x380-480 V
IP20
H2 RFI filter (Class A2)
1.5-45 kW
3x200-240 V
IP20
30-90 kW
3x380-480 V
IP20
0.75-18.5 kW
3x380-480 V
IP54
22-90 kW
3x380-480 V
IP54
H3 RFI filter (Class A1/B)
1.5-45 kW
3x200-240 V
IP20
30-90 kW
3x380-480 V
IP20
0.75-18.5 kW
3x380-480 V
IP54
22-90 kW
3x380-480 V
IP54
Table 1.36
40
VLT
Conduct emission. Maximum shielded cable length [m]
Industrial environment
EN 55011 Class A2 EN 55011 Class A1
Without With Without
external external external
filter filter filter
25
25
25
25
25
25
50
50
25
50
MG18A402 - VLT
®
HVAC Basic Drive Quick Guide
Housing, trades and
light industries
EN 55011 Class B
With Without With
external external external
filter filter filter
50 20
50 20
20
20
10
10
®
is a registered Danfoss trademark
Radiated emission
Housing, trades and
Industrial environment
light industries
EN 55011 Class A1 EN 55011 Class B
Without With Without
external external external
filter filter filter
Yes Yes
Yes Yes
No No
No No
Yes
No No
Yes No
Yes No
Yes
Yes No
With
external
filter
No
No