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TA7261

YUANXING
Part Number TA7261
Manufacturer YUANXING
Description Three Phase Current Transformer
Published May 7, 2015
Detailed Description YUANXING Data Sheet TA7261 Current Transformer Three Phase Current Transformer The TA7261 series of toroidal current ...
Datasheet PDF File TA7261 PDF File

TA7261
TA7261


Overview
YUANXING Data Sheet TA7261 Current Transformer Three Phase Current Transformer The TA7261 series of toroidal current transformers are designed for applications where a high overcurrent measurement capability is a desirable feature.
Typically used in 380VAC or 660VAC protection circuits, these CTs offer superior step-down transformation to typical microprocessor circuitry signal levels.
Performance:  Rated Output: mA secondary output dependent upon the primary to secondary ratio selected.
Optional: 0.
100V to 0.
353V @ rated current.
Specifications:  Frequency: 50 to 400 Hz  Dielectric Resistance: 1,000 M ohms @ 500 Vdc  Isolation Voltage: 2500 VRMS for 1 minute, 0.
5mA  Surge withstand potential: 5000V  Secondary burden resistance: ≥ 100k Ohms  Operating Temperature: -25°C to +55º C (Option: -40°C to +85º C)  Construction: o PBT or ABS Resin case, UL 94 V-0 flame retardant rating.
o Epoxy encapsulated.
 Lead: 26AWG (0.
12mm2), RVVP4, 0.
6m (2FT)  RoHS Compliant Performance Options: Rated Input (A) 25 50 100 Ratio 1:2000 1:3000 Accuracy Class (IEC 60044-1) 0.
2, 0.
5 Over Current Multiple 10 8 Over Current Persistence Time (seconds) 2 Typical Performance TA7261-100A/ 40mA: The accuracy of the current transformer is a function of the secondary burden impedance and the operating range.
The lower the secondary burden impedance, the better the accuracy performance.
The typical performance of the TA7261-100A/ 40mA is;  Burden resistance ≤ 15 ohms, Accuracy Class = 0.
2, from 5% to 800% of Rated Current (e.
g.
100A)  Burden resistance ≤ 25 ohms, Accuracy Class = 0.
2, from 5% to 700% of Rated Current (e.
g.
100A)  Burden resistance ≤ 50 ohms, Accuracy Class = 0.
2, from 5% to 600% of Rated Current (e.
g.
100A) Zibo Yuanxing Electronics Co.
, LTD Yifan Road, Science & Technology Industry Park Zhangdian, Zibo, Shandong Province 255095 P.
R.
C Telephone： +86.
533.
381.
8450 FAX： +86.
533.
381.
8724 sales@yuanxing.
net http://www.
yuanxing.
net T.
I.
Chen Associates LLC.
...


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