High Precision 12kv Indoor Medium Voltage Instrument Transformers Epoxy Resin With 0.2S
High Precision 12kv Indoor Single-Phrase Epoxy Resin with 0.2S
1.Product Introduction:
LFS-12 current transformer, epoxy resin casting insulation and fully enclosed support construction, encloses primary & secondary windings and annular core in the epoxy resin casting body. The product has two secondary windings (one measuring winding and one protective winding). It is widely used for measuring current, electric energy and protective relaying in the power system with the rated frequency 50Hz or 60Hz and highest voltage for equipment 12kV.
2. Technical Data:
Usage terms
1. Ambient temperature: -5-40℃
2. Height above sea level : within 1000m
3. Installation site: indoor
Main technical parameter
1. Rated insulation voltage: 12/28/75kV etc.
2. Rated frequency: 50/60hz
3. Installation Site: Indoor
4. Standards: IEC60044-1(IEC61869-1&2)
| Rated current ratio(A) | Secondary accuracy classes combination |
Rated output |
FS | ALF | Rated short-time thermal current (kA/S) | Rated dynamic current ( kA) | ||
| Measuring | Protective | |||||||
| 0.2(S) | 0.5 | 10P | ||||||
| 5~200/5 |
0.2(S)/0.2(S) |
10 |
15 | 15 |
5 |
10 | 80I1n | 200I1n |
| 300/5 | 20 | 50 | ||||||
| 400/5 | 30 | 75 | ||||||
| 500/5 | 30 | 75 | ||||||
| 600/5 | 40 | 80 | ||||||
| 800/5 | 40 | 80 | ||||||
| 1000/5 | 63 | 105 | ||||||
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