6 Technical Data
6.8 Radio interference suppression filter
176 DA1 Variable Frequency Drives 11/16 MN04020005Z-EN www.eaton.com
6.8 Radio interference suppression filter
Figure 104:DX-EMC…-FS… (base-mounted filters with prefabricated connection cables) and
DX-EMC… (side-mounting filters) external radio interference suppression filters
DX-EMC… external radio interference suppression filters should always be
installed in the immediate proximity of the corresponding variable frequency
drive. The connection cables between the radio interference suppression
filter and the variable frequency drive should not be longer than 300 to
500 mm if they are installed without screening.
￫
The DX-EMC… radio interference suppression filters with an
IP20 degree of protection listed below are intended for
installation in a control panel.
￫
Sizes DX-EMC34-400… and DX-EMC34-750… have a degree of
protection of IP00.
￫
Please enquire for higher degrees of protection.
￫
For more information and technical data on DX-EMC… radio
interference suppression filters, please refer to instructional
leaflets IL04012017Z and IL04012018Z.
￫
The maximum motor cable lengths for the C1, C2, and C3
interference categories listed below are standardized
recommended values. They apply to the adjustable switching
frequencies (f
PWM
) of 4 to 16 kHz (parameter P2-24) in the
corresponding ratings.
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