The LDS235-35 is a double cable core current transformer featuring a newly developed high-permeability core for excellent measurement accuracy. Its secondary winding is fully enclosed within a vacuum-cast, flame-retardant plastic shell, providing reliable insulation and safety. The primary cable passes directly through the transformer's core, making installation simple and efficient. This CT is designed for use in electrical cable systems with equipment voltage ratings up to 0.72kV.
Widely applied for current metering, signal collection, and relay protection, the LDS235-35 supports primary currents up to 1500A and secondary currents of 5A or 1A. It is suitable for installations up to 2000 meters altitude and complies with international standards IEC 61869-1:2007, IEC 61869-2:2012, and IEC 60044-1 to ensure performance and safety.
Model |
LDSC55-35P235 |
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Purpose |
Measuring current transformer |
Protective current transformer |
Double winding current transformer |
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Rated Transformation ratio |
COSΦ=0.8 |
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0.2S |
0.5 |
10P20 |
0.2S |
10P20 |
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100/5 |
2.5 |
5 |
5 |
2.5 |
5 |
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150/5 |
3.75 |
5 |
5 |
3.75 |
5 |
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200/5 |
5 |
7.5 |
10 |
5 |
10 |
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300/5 |
7.5 |
10 |
10 |
7.5 |
10 |
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400/5 |
10 |
15 |
15 |
10 |
15 |
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500/5 |
15 |
15 |
15 |
15 |
15 |
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600/5 |
15 |
15 |
15 |
15 |
15 |