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Appendix 4. EMC Installation Guidelines
A4 - 9
Appendix 4-6-2 Ferrite core
A ferrite core is integrated and mounted on the plastic case.
Quick installation is possible without cutting the interface cable or power cable.
This ferrite core is effective against common mode noise, allowing measures against noise to be taken
without affecting the signal quality.
A
B
φC
φD
A
B
D
E
φC
A
B
φ
C
φ
D
φ
C
φ
D
E
A
B
Recommended ferrite core
TDK ZCAT Series
Shape and dimensions
ZCAT type
ZCAT-B type ZCAT-C type
ZCAT-A type
Fig.2 Fig.1
Fig.3 Fig.4
[Unit: mm]
Part name Fig. A B C D E
Applicable
cable outline
Mass
Recommended
ferrite core
ZCAT3035-1330 (-BK)*
1
1 39 34 13 30 --- 13 max. 63 ○
ZCAT2035-0930-M (-BK) 2 35 29 13 23.5 22 10 to 13 29
ZCAT2017-0930-M (-BK) 3 21 17 9 20 28.5 9 max. 12
ZCAT2749-0430-M (-BK) 4 49 27 4.5 19.5 --- 4.5 max. 26
*1 A fixing band is enclosed when shipped.
ZCAT-B type: Cabinet fixed type, installation hole ø4.8 to 4.9mm, plate thickness 0.5 to 2mm
ZCAT-C type: Structured so that it cannot be opened easily by hand once closed.