B-43
B.10 EMI Filter
To meet EN61800-3 variable speed drive system- part 3: EMC requirements and specific test methods,
category C1, C2 and C3. Users can choose the suitable filter by the following table.
1-phase/
3-phase
Voltage HP AC Motor Drive Frame Deltron Filter C3 C2 C1
1-phase
110V
0.5 VFD004E11A A MDF16 10m 10m 10m
1 VFD007E11A A MDF25 50m 50m 50m
230V
0.25 VFD002E21A A
MDF16 50m 50m 50m
0.5 VFD004E21A A
1 VFD007E21A A
2 VFD015E21A B
MDF25 50m 50m Fail*
3 VFD022E21A B
3-phase
230V
2 VFD015E23A B KMF310A 100m 100m 25m
20 VFD150E23A D KMF3100A 100m 100m 3m
460V
0.5 VFD004E43A A
KMF306A 50m 50m 50m
1 VFD007E43A A
2 VFD015E43A A
3 VFD022E43A B
KMF318A 50m 50m 50m
5 VFD037E43A B
7.5 VFD055E43A C
KMF325A 75m 50m 50m
10 VFD075E43A C
15 VFD110E43A C
30 VFD220E43A D KMF350A 100m 100m 50m
NOTE: For model VFD022E21A and VFD015E21A, please use MIF filter to meet Category C1.
Installation
All electrical equipment, including AC motor drives, will generate high-frequency/low-frequency noise
and will interfere with peripheral equipment by radiation or conduction when in operation. By using an
EMI filter with correct installation, much interference can be eliminated. It is recommended to use
DELTA EMI filter to have the best interference elimination performance.
We assure that it can comply with following rules when AC motor drive and EMI filter are installed and
wired according to user manual:
EN61000-6-4
EN61800-3: 1996
EN55011 (1991) Class A Group 1
General precaution
1. EMI filter and AC motor drive should be installed on the same metal plate.
2. Please install AC motor drive on footprint EMI filter or install EMI filter as close as possible to the AC
motor drive.
3. Please wire as short as possible.
4. Metal plate should be grounded.
5. The cover of EMI filter and AC motor drive or grounding should be fixed on the metal plate and the
contact area should be as large as possible.
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