Data Sheet • Current transformer Current transformer CMA 100/5A Current transformer CMA 250/5A Current transformer CMA 500/5A
NEW
T h e c u r re n t t r a n s f o r m e r t r a n s f o r m s l a r g e r a l t e r n a t i n g c u r re n t s t o a p ro p o r t i o n a l s e c o n d a r y c u r re n t .
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Accuracy class 1, together with the l a r g e p o w e r re s e r v e s ( P N : 2 , 5 VA ) ) a n d a high overload capability (up to 150%) make the CMA an ideal transformer both for general usage and to extend t h e WAV E C O N T R O L f a m i l y ’s f i e l d o f a p p l i c a t i o n s f o r t h e m e a s u re m e n t o f c u r re n t s . • The transformers can be attached together at their sides • I n t e r n a t i o n a l a p p ro v a l s • 3 5 - m m t h ro u g h - h o l e o p e n i n g
% {
United Kingdom Weidmüller Ltd. 1 Abbey Wood Road, Kings Hill West Malling, Kent ME19 4YT Phone +44 1732 877032 Fax +44 1732 873873 Info@weidmuller.co.uk http://www.weidmueller.com USA
Other countries
Weidmüller Inc. 21 Southlake Boulevard Richmond, Virginia 23236 Phone +1 804 7942877 Fax +1 804 3792593 info@weidmuller.com http://www.weidmuller.com
Weidmüller Interface GmbH & Co. Postfach 3030 32720 Detmold Phone +49 5231 14-0 Fax +49 5231 14-2083 info@weidmueller.com http://www.weidmueller.com
C u r re n t t r a n s f o r m e r C M A
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CMA 100/5A CMA 250/5A CMA 500/5A
Approvals:
%{ Ordering data
Type CMA 100/5A CMA 250/5A CMA 500/5A
Part No. 8662140000 8664570000 8664580000
Qty. 1 1 1
Transfer/saturation curve measured with a load impedance R=0,1 Ω
CMA 100/5A 50
Technical data Primary current Secondary current Performance (1 %) Accuracy class Nominal frequency Frequency range Kl 1.5 Overload capability 100 % DR Cl. 1 / Cl. 1,5 Thermal current Ith Fault-current factor / rated security factor FS Isolation Duration of rated operational voltage (bare wire) Input voltage max.
45
100 A / 250 A / 500 A 5A 2.5 VA 1% 50/60 Hz 16…400 Hz 1.2 / 1.5 40 kA <5 > 4 kVrms 1 min 600 Vrms 720 Vrms
Sekundärstrom [A]
40 35 30 25 20 15 10 5 0 1
2
3
4
5
6
7
8
9
10
Vielfaches des nom. Primärstromes Self extinguishing plastic: PC Lexan 940, GE, or similar -40 °C … + 85 °C - 5 °C … + 40 °C 10 % … 95 %, non-condensing 76 x 86 x 50 540 g DIN mounting rail TS 35 CE, cUL
Maßbild
CMA 250/5A 50 45 40
Sekundärstrom [A]
General data Housing Storage temperature Temperature range Humidity Dimensions L/H/B (mm) Weight Mount Approvals
35 30 25 20 15 10
10
Mounting max. M4 x 8
5 0 1
2
3
4
5
6
7
8
9
10
Vielfaches des nom. Primärstromes
35
86
Direct mounting
CMA 500/5A 40
38
50 FOR M4
45 40
50
76
2
65
Sekundärstrom [A]
4,5
3
ø 4.3
35 30 25 20 15 10
Instruction: A short-circuiting link is to be used in the secondary circuit for an open-circuit output, because the module is not equipped with a current limiting function. An open-circuit output can lead to the destruction of the module.
2
5 0 1
2
3
4
5
6
7
8
9
10
Vielfaches des nom. Primärstromes
Subject to technical alterations and amendments without notice · Printed in Germany · 5635110000 · 01/03 · DMD