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1.7.4 EMC Test Results
The following test results have been obtained using a system with an adjustable frequency drive, a shielded control cable, a
control box with potentiometer, as well as a motor shielded cable.
RFI Filter
Type
Conduct emission. Maximum shielded cable length [m]
Radiated emission
Industrial environment
Housing, trades and
light industries
Industrial
environment
Housing, trades and
light industries
EN 55011 Class A2
EN 55011 Class A1
EN 55011 Class B
EN 55011 Class A1
EN 55011 Class B
Without
external
filter
With
external
filter
Without
external
filter
With
external
filter
Without
external
filter
With
external
filter
Without
external
filter
With
external
filter
Without
external
filter
With
external
filter
H4 RFI filter (Class A1)
0.34–15 hp
[0.25–11 kW]
3x200–240 V
IP20
25
50
20
Yes
Yes
No
0.5–30 hp
[0.37–22 kW]
3x380–480 V
IP20
25
50
20
Yes
Yes
No
H2 RFI filter (Class A2)
20–60 hp [15–
45 kW]
3x200–240 V
IP20
25
No
No
40–125 hp
[30–90 kW]
3x380–480 V
IP20
25
No
No
1–25 [0.75–
18.5 kW]
3x380–480 V
IP54
25
Yes
30–125 hp
[22–90 kW]
3x380–480 V
IP54
25
No
No
H3 RFI filter (Class A1/B)
20–60 hp [15–
45 kW]
3x200–240 V
IP20
50
20
Yes
No
40–125 hp
[30–90 kW]
3x380–480 V
IP20
50
20
Yes
No
1–25 [0.75–
18.5 kW]
3x380–480 V
IP54
25
10
Yes
Quick Guide
Quick Guide
42
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