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LZZW-17.5(24)TH outdoor support type current transformer with epoxy cast resin insulation. The product can have four secondary windings and each winding can have tap. The product has large external insulation creepage distance, withstands dirtiness and ultraviolet radiation. Be suitable for measuring current, electric energy and protective relaying in the electrical system of highest voltage for equipment 17.5(24)kV.
Main technical parameter
1. Rated voltage: 13.8 kV or 15 kV or 20kV or 22kV etc
2. Rated secondary current:5Aor1A
3. Rated insulation level:17.5/38/95 kV or 24/50/125kV
4. Standards: IEC60044-1.2003 Part 1: Instrument transformers-Part1: Current transformers
5. Other technical parameter pls see as follow:
Single ratio
|
Rated transformation ratio(kV) |
Accuracy classes combination |
Rated output (VA) |
Rated short-time thermal current (kA/S) |
Rated dynamic current ( kA) |
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|
Measuring |
Protective |
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|
0.2（S） |
0.5 |
10P |
||||
|
30-200/5 |
0.2(S)/ 0.2(S) 0.2(S)/0.5 0.2(S)/10P 0.5/10P |
10 15 |
15 20 |
20 25 |
150I1n |
375I1n |
|
300/5 |
30 |
75 |
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|
400/5 |
40 |
100 |
||||
|
500/5 |
50 |
125 |
||||
|
600/5 |
63 |
125 |
||||
|
800/5 |
80 |
160 |
||||
Double ratio
|
Rated transformation ratio(kV) |
Accuracy classes combination |
Rated output (VA) |
Rated short-time thermal current (kA/S) |
Rated dynamic current ( kA) |
||
|
Measuring |
Protective |
|||||
|
0.2（S） |
0.5 |
10P |
||||
|
20-40/5 |
0.2(S)/ 0.2(S) 0.2(S)/0.5 0.2(S)/5P 0.5/10P |
10 15 |
15 |
15 20 |
4 |
10 |
|
50-100/5 |
8 |
20 |
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|
100-200/5 |
15 |
37.5 |
||||
|
150-300/5 |
20 |
50 |
||||
|
200-400/5 |
30 |
75 |
||||
|
400-800/5 |
63 |
130 |
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Remarks: Upon request we are glad to offer transformers according to other standards or with non-standard technical specs.
Outline Drawing
Switchboard：+86-755-26996668
International Sales ：+86-755-86000713、+86-13823790397
Email：international2@chuangy.com
Add：19F, East Tower of Skyworth Semiconductor Design Building, Hi-Tech Industrial Park,Nanshan,Shenzhen,China.518063.
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