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CASR-50-NP 数据表(PDF) 6 Page - LEM

部件名 CASR-50-NP
功能描述  CAS / CASR / CKSR series Current Transducers
Download  24 Pages
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制造商  LEM [LEM]
网页  http://www.lem.co.jp/HQ/en
标志 LEM - LEM

CASR-50-NP 数据表(HTML) 6 Page - LEM

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Model
3D
drawing
Nominal
current
range
Nb
secondary
pins
Ref IN/OUT*
on a
secondary
pin
Nb
primary
pins
Creepage
distance
Clearance
distance
Footprint
drawing
Compatibility
with
LTS and LTSR
footprints
CAS Series
CAS 6-NP
6
3
NO
3
7.7 mm
7.7 mm
LTS 6-NP
CAS 15-NP
15
3
NO
3
7.7 mm
7.7 mm
LTS 15-NP
CAS 25-NP
25
3
NO
3
7.7 mm
7.7 mm
LTS 25-NP
CAS 50-NP
50
3
NO
3
7.7 mm
7.7 mm
LTS
CASR Series
CASR 6-NP
6
4
YES
3
7.5 mm
7.5 mm
LTSR 6-NP
CASR 15-NP
15
4
YES
3
7.5 mm
7.5 mm
LTSR 15-NP
CASR 25-NP
25
4
YES
3
7.5 mm
7.5 mm
LTSR 25-NP
CASR 50-NP
50
4
YES
3
7.5 mm
7.5 mm
LTSR
CKSR Series
CKSR 6-NP
6
4
YES
4
8.2 mm
8.2 mm
/
CKSR 15-NP
15
4
YES
4
8.2 mm
8.2 mm
/
CKSR 25-NP
25
4
YES
4
8.2 mm
8.2 mm
/
CKSR 50-NP
50
4
YES
4
8.2 mm
8.2 mm
/
6
The CKSR has one more primary pin (4 primary pins in
total) than the CAS and CASR models (3 primary pins in
total) making it incompatible with the footprint of these last
8 models. It is possible to measure not less than 1.5 ARMS
nominal (using a CKSR 6-NP model set up in one of the 4
possible primary pins layout: Layout with 4 turns. Fig. 5) with
the performances mentioned in the CKSR 6-NP data sheet.
6
CAS / CASR / CKSR Mechanical differences
* The internal reference voltage is provided on a secondary pin or can be forced by an external reference voltage
Using this layout configuration, the current measured by
the transducer is still 6 A
RMS (its designed nominal current)
as when connected in series the primary pins have 4 loops
(instead of 1 when connected in parallel) through the aperture
of the transducer.
Then 4 loops, carrying 1.5 A each, results into a total current of
6 A.t (Amps.turn). Finally, the transducer “sees” a 6 A current.
Number
of primary
turns
Primary nominal
current rms
I
PN [ A ]
Nominal*
output voltage
V
OUT [ V ]
Primary resistance
R
P [ mΩ ] ( typ. )
at +25° C
Recommended
connections
1
± 6
2.5 ± 0.625
0.18
2
± 3
2.5 ± 0.625
0.72
3
± 2
2.5 ± 0.625
1.8
4
± 1.5
2.5 ± 0.625
2.88
* Output voltage CKSR 6-NP is used with internal reference.
Fig. 5. Different nominal current ranges possible according to the primary current circuit configuration – CKSR 6-NP model as example
allows nominal current measurement from 1.5 to 6 A
RMS


类似零件编号 - CASR-50-NP

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类似说明 - CASR-50-NP

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