6 Specifications
6.8 Radio interference suppression filter
DA1 Variable Frequency Drives
08/18 MN04020005Z-EN
www.eaton.com
177
6.8 Radio interference suppression filter
Figure 103: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.
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The DX-EMC… radio interference suppression filters with IP20
protection listed below are intended for installation in a control
panel.
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Sizes DX-EMC34-400… and DX-EMC34-750… have IP00
protection.
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Please inquire about higher degrees of protection.
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For more information and technical data on DX-EMC… radio
interference suppression filters, please refer to the instruction
leaflets IL04012017Z and IL04012018Z.
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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.
LINE
L0AD