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CASR-50-NP 数据表(PDF) 6 Page - LEM |
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CASR-50-NP 数据表(HTML) 6 Page - LEM |
6 / 24 page 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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