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6 Safety
6.4.4 Component parts for EMC measures
(1) Ferrite core
The ferrite core is mounted by the plastics case as one. It can attach by the one-touch, without cutting the
cable. This has the effect in the common-mode noise. The measures against the noise are made not influ-
ential in the quality of the signal.
There are the following as an example.
Maker: SEIWA ELECTRIC MFG. CO.,Ltd.
Outside dimension (mm)
Type
A
E04SR401938
61
E04SR301334
39
Maker: KITAGAWA INDUSTRIES CO., LTD.
Applicable cable
Type
RFC-20
GTFC-41-27-16
RFC-H13
(2) Line noise filter
Install a line noise filter to AC input line.
Type: SUP-EL20-ER-6
Maker: OKAYA ELECTRIC INDUSTRIES CO., LTD.
6-108 EMC installation guideline
Applicable cable
diameter [max]
B
C
D
38
19
40
34
13
30
Outside dimension (Unit: mm)
diameter (mm)
Max. φ20
40.0
Max. φ26
φ12.5 - 13.5
100±2.0
2.0
2-φ4.5×6.75
(mm)
φ19.0
φ13.0
47.0
RFC-20
Terminal cover (transparent)
88.0
75.0
2-φ4.5
48.2
19.6
GTFC-41-27-16
53.1±1.0
(11.6)
6-M4
(13.0)
Unit: mm
Tolerances: ±0.5
29.4
41.0
RFC-H13
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