The internal mains filtering system is effective when the sum of all motor cable lengths is 150 m or less. For applications whose sum of all motor cable lengths exceeds 150 m, an external mains filter is required to maintain the normative limit values.
EMC filter
Length of the motor cables |
IEC 61800 class |
Notes |
---|---|---|
<15...150 m (49...492 ft) |
C3 |
– |
> 150 m (492 ft) |
C3 |
External EMC filter required |
NOTE: For additional information on mains filtering, contact your Schneider Electric representative.